OT-2026-000007819
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000007819) never changes.
Identity and time
| Publication number | OT-2026-000007819 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-7a45-be32-efededa3a6d6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007819 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa13e1271d053aa1e69d3c102a642a7016a88fa45c3d7f82d55a5ead6af0a6da |
|---|---|
| Markdown | 5b294f45e1ffe52467ddda1bfd868593602a38692f225f7098c9ab84c53aa7c5 |
| Publication page | 1fcdbad27576809d403983a6576c30c69136332c5e887594cbd2a77bb4d13140 |
| Manifest | 73a0b84839077ba68f27558070eab828616e67246ef7ffbc5e6cf43138a769c8 |
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 | mnRtAeUsRnH6CkP2U2HossF3qxBYqaRq206EjNEFeke5shtm3VV8FK4sRnsdDNCOn3Hzc3o5QqDRc1hRg878AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-23T04:42:13.858226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819observed 1fcdbad27576809d403983a6576c30c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T04:42:13.756976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819/manifest.jsonobserved 73a0b84839077ba68f27558070eab828...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:42:13.643206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819/publication.mdobserved 5b294f45e1ffe52467ddda1bfd868593...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:42:13.511889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819/publication.txtobserved aa13e1271d053aa1e69d3c102a642a70...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:36.672947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819observed 1fcdbad27576809d403983a6576c30c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:36.654112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819/manifest.jsonobserved 73a0b84839077ba68f27558070eab828...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:36.603901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819/publication.mdobserved 5b294f45e1ffe52467ddda1bfd868593...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:36.449850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007819/publication.txtobserved aa13e1271d053aa1e69d3c102a642a70...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|