OT-2026-000074620
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000074620) never changes.
Identity and time
| Publication number | OT-2026-000074620 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2a-70be-8cd3-beff8eb094c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074620 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee8b48d08b4ef27cb7d130fa72da893cb223f9935b8de8989313e566b62c1cfa |
|---|---|
| Markdown | fa7f9ddcc95a3c9e21425e3e44e66eee5e8b938206bd5d03a465c65fc20b14d4 |
| Publication page | e6834d18b6e96de663e207c897ed406dbcaaedc13e616270921da28c668c765c |
| Manifest | d8efcf2fec8a840cc7717aa1b31c89ce4ac58e52940fa7ad481d754dc8a94856 |
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 | GFx+wEFW6yzlpIapvV7PkTc4k5qrfABgmCoUSkjchm6U2OmlcMbFtpu08JqFX4OkKxLcZE4A6wLukfjh/s7GDA== |
| 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
| 2026-10-01T12:41:23.053788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620observed e6834d18b6e96de663e207c897ed406d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T12:41:22.960670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620/manifest.jsonobserved d8efcf2fec8a840cc7717aa1b31c89ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:22.895258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620/publication.mdobserved fa7f9ddcc95a3c9e21425e3e44e66eee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:22.740093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620/publication.txtobserved ee8b48d08b4ef27cb7d130fa72da893c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:37.211683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620observed e6834d18b6e96de663e207c897ed406d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:37.140848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620/manifest.jsonobserved d8efcf2fec8a840cc7717aa1b31c89ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:37.091376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620/publication.mdobserved fa7f9ddcc95a3c9e21425e3e44e66eee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:36.986483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074620/publication.txtobserved ee8b48d08b4ef27cb7d130fa72da893c...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 |
|---|