OT-2026-000076204
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down
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-2026-000076204) never changes.
Identity and time
| Publication number | OT-2026-000076204 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a6f-7045-b9c2-686f007859d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076204 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1580ce4e54c7d66829ebfa8ee3079ce9ddfdb13623da9bc0a3f764a4943abca8 |
|---|---|
| Markdown | cd1723a289cd3fb793d63af4298032f50b2d7167f6556fa685a8c76cfaac584f |
| Publication page | d5eded806a2b593d984b23efa33f38c61ae28e3718515d55fcefe72521c56489 |
| Manifest | 2efc86b88e3e9df649b0f94c96ce9dec67db8ac60633e7297ac4cba8f7f62e80 |
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 | 9/YJFlo7kEbYWKr7ZnbfYyG5/Kw7j+ugihnTifNoSJ8nJTfd8rTlJFd6h8v1VPsJZvf63nk+jJdm5Xze9seEAw== |
| 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
| 2026-10-18T20:41:32.151660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204observed d5eded806a2b593d984b23efa33f38c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T20:41:32.079633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204/manifest.jsonobserved 2efc86b88e3e9df649b0f94c96ce9dec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T20:41:32.003260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204/publication.mdobserved cd1723a289cd3fb793d63af4298032f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T20:41:31.825130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204/publication.txtobserved 1580ce4e54c7d66829ebfa8ee3079ce9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:34.046487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204observed d5eded806a2b593d984b23efa33f38c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:33.987821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204/manifest.jsonobserved 2efc86b88e3e9df649b0f94c96ce9dec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:33.931196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204/publication.mdobserved cd1723a289cd3fb793d63af4298032f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:33.835029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076204/publication.txtobserved 1580ce4e54c7d66829ebfa8ee3079ce9...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 |
|---|