← The evidence ledger
Evidence row 2826
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:material-halowerk-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2a17406e3934a6a00e9d30db9229f81979b59b385259ef11058cec05c58fb1d1
- Leaf
- 0x9d4c2605493b85f181ad9d1b35b2e862d9d89c555f3331ed7fdb255f561b422e
What was observed
{
"endpoints": [
[
"x402",
"https://material.halowerk.com/awg-metric"
],
[
"x402",
"https://material.halowerk.com/cable-mass"
],
[
"x402",
"https://material.halowerk.com/cable-type-vision"
],
[
"x402",
"https://material.halowerk.com/copper-co2"
],
[
"x402",
"https://material.halowerk.com/parcel-bundling"
],
[
"x402",
"https://material.halowerk.com/pcb-precious-metals"
],
[
"x402",
"https://material.halowerk.com/scrap-margin"
]
],
"name": "material.halowerk.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "material.halowerk.com",
"endpoints": [
{
"description": "Uses the geometric AWG definition, so results are exact for solid round conductors. Mass per metre and resistance follow from the material density and resistivity at 20 degrees Celsius; stranded conductors carry roughly two to five percent more mass and resistance per metre than the same nominal size and are not modelled separately. Supply either awg or cross_section_mm2, not both. Sizes 4/0 through 40 AWG are covered.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.001",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "11",
"l30DaysUniquePayers": "7"
},
"serviceName": "awg_metric_convert",
"tags": [
"materials",
"cable",
"conversion"
],
"url": "https://material.halowerk.com/awg-metric"
},
{
"description": "Conductor mass is calculated from nominal cross-section, core count and length against the material density; for a nominal cross-section this is exact and independent of stranding. Total cable mass and the copper share are returned as a range derived from published manufacturer weight tables per cross-section band, not as a type-test value. Insulation, filler and armour are not modelled individually.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "5",
"l30DaysUniquePayers": "5"
},
"serviceName": "cable_conductor_mass",
"tags": [
"recycling",
"copper",
"cable"
],
"url": "https://material.halowerk.com/cable-mass"
},
{
"description": "Downloads one HTTPS image through the hub SSRF guard, then asks the configured OpenAI vision model for strict structured JSON. It reports observed features and readable markings, at most five ranked type candidates, and conductor material, core count or cross-section only where the image supports them; unknown values remain null or unknown. The result is identification assistance, not an electrical safety clearance, approval, voltage-state determination or substitute for inspection and testing.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "cable_type_vision",
"tags": [
"recycling",
"cable",
"vision"
],
"url": "https://material.halowerk.com/cable-type-vision"
},
{
"description": "Multiplies the copper quantity by literature emission factors for the chosen secondary route and for primary cathode production, and reports the difference as low, typical and high. The factors are published life cycle averages and are stated in the response; they are not a certified product carbon footprint and are not a valid basis for a carbon credit, a customer declaration or an audited claim.",
"method": "POST",
"parameters": [],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "6",
"l30DaysUniquePayers": "5"
},
"serviceName": "copper_recycling_co2",
"tags": [
"recycling",
"copper",
"emissions"
],
"url": "https://material.halowerk.com/copper-co2"
},
{
"description": "Packs items into parcels by descending weight, first fit, within a maximum parcel weight and an optional maximum girth, prices each parcel with the cheapest matching bracket of the supplied rate table and compares the total against single shipment. The rate table is caller data: no carrier tariff is stored or redistributed. First fit is a heuristic, not a proven optimum.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "items",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "rates",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.003",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://material.halowerk.com/parcel-bundling"
},
{
"description": "Returns published content ranges per board class multiplied by the lot mass. The spread between low and high is wide and real: content depends on board generation, manufacturer and how much of the assembly is included. This is a planning estimate for sorting and pre-valuation, not an assay, not a settlement basis and not a substitute for a sampled analysis. Values are only calculated when price_eur_per_g is supplied by the caller; no metal price is retrieved or resold here.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "beispiel",
"group": "body",
"name": "board_class",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 0.01,
"group": "body",
"name": "mass_kg",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.004",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://material.halowerk.com/pcb-precious-metals"
},
{
"description": "Takes the gross lot weight, the purchase price paid per kilogram of gross weight and the sales price per kilogram of recovered metal, then applies recovery yield and melting loss for the scrap grade. Yield and loss default to practice values per grade and can be overridden. Handling, transport and disposal cost are optional flat amounts. The endpoint applies no market price and fetches none: sales_price_eur_per_kg is supplied by the caller.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "beispiel",
"group": "body",
"name": "grade",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 0.1,
"group": "body",
"name": "gross_weight_kg",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 0,
"group": "body",
"name": "purchase_price_eur_per_kg",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 0,
"group": "body",
"name": "sales_price_eur_per_kg",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.003",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [],
"url": "https://material.halowerk.com/scrap-margin"
}
],
"enriched": false,
"iconUrl": "",
"id": "material-halowerk-com",
"integrationType": "",
"isNew": false,
"name": "material.halowerk.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.002857",
"currency": "USDC",
"maxAmount": "0.005",
"minAmount": "0.001"
},
"provider": "material.halowerk.com",
"providerUrl": "",
"serviceName": "",
"tags": [
"materials",
"cable",
"conversion",
"recycling",
"copper",
"vision",
"emissions"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"2a17406e3934a6a00e9d30db9229f81979b59b385259ef11058cec05c58fb1d1","id":2826,"kind":"listing","method":"baseline/1","observed_us":1793025267335802,"prev":null,"subject":"agentic_market:material-halowerk-com","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x9d4c279b63263efb5ea5fcc2268dc91eddecbcc5ce7a62dd6e83e5216254e6fe
- 0xf0e4dc92d267667661da0c2dee3019122aefa7163c954a635c57efd972132f25
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- 0x485d5f3d4cf972e09561dbde9b7105763f3fe29951a3c64b6b23535d166bf04d
- 0x3d7565c141e5a5a5518c11d78a5315dace8cdb72403be33c021ee291db1bcb32
- 0xcbcf3890d62df81b62f4b0b79bf46dd2bc4f73a8bb55973793b94362fd1ae231
- 0x2f26043dd5a910c00bb4e802ee3aaf7fad67301d6db12cbdca73852b6da2edb5
- 0xb3703396b3a4e856d16148e6d812c3bbf55df2e670f9e23e9d481295a73c4af0
- 0x1bcbf8375aaf58d02b4aded4c7af71885f0b6b377c5f81833bf9c3798b73f819
- 0x76f7db8632e242ae6ea1dd18963ee2f7db2ce4bf8b0d87a280492cce08baa2cf
- 0x351390dbbaa59bf254610c44de6ad39906ad2c226e8f737f7d774c0b9d382abf
- 0x73cca5e5ba14c0aaa799d5324b89eb846e3c5546aab3b2cda0c05c5eeaa03168
- 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
- 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae