OT-2026-000081327
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000081327) never changes.
Identity and time
| Publication number | OT-2026-000081327 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f374-7c5b-96fe-1856948a750a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081327 |
| Status | PUBLIC |
Content hashes
| Canonical text | d0e07140974d45ea89a41bcdba885e80d7d111f8b44ad7a3f212a4e44ac0b898 |
|---|---|
| Markdown | ce5ecbc9a4f0f3392a6ac3bc89b58d5333332bc63afe16ce12da5d93ef30bb77 |
| Publication page | 93ed2cc31f9eb3bc4fd067755ec541e9c0eb2adf29fe4c2cf40195ad9ef7d1d0 |
| Manifest | 4873e9dd464fa2ce81df44d9338ecf6e4b79d1b6a05d3acf99ec0f559bda1d71 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ii4iHE1aMUfGdIYXcJcvcgElmmsUuRO7mxGEQXlI2+VWl4B7Yb3Y0MEoii8ZaRCtWHvgKv6pijpjPTdyOeZ0Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-15T04:41:33.012741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327observed 93ed2cc31f9eb3bc4fd067755ec541e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T04:41:32.960317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327/manifest.jsonobserved 4873e9dd464fa2ce81df44d9338ecf6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:32.900205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327/publication.mdobserved ce5ecbc9a4f0f3392a6ac3bc89b58d53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:32.838415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327/publication.txtobserved d0e07140974d45ea89a41bcdba885e80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.205493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327observed 93ed2cc31f9eb3bc4fd067755ec541e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.154546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327/manifest.jsonobserved 4873e9dd464fa2ce81df44d9338ecf6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.106251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327/publication.mdobserved ce5ecbc9a4f0f3392a6ac3bc89b58d53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.018829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081327/publication.txtobserved d0e07140974d45ea89a41bcdba885e80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|