OT-2026-000008169
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000008169) never changes.
Identity and time
| Publication number | OT-2026-000008169 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908c-750c-8407-465536bfb5fb · 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-2026-000008169 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7b4355f3e1dbdc3adacef6f5be91d42fda9ebe312b38f29726fb3670ebfdf75 |
|---|---|
| Markdown | cfe094dd99265cb5fb0aac5388ff0317b61fddd7be55dcae01b66df971ddcca6 |
| Publication page | 8dd591057b436dfa2eff82e375dd9ce5094876e4085157832ee0a79be51e49f1 |
| Manifest | b3a0ffdaa24c0c6fbae103fc920fa8eb1b62f48b40e3cdb0af5cd8fb55064c5c |
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 | LY0JFMfI159fSPYAPb0TkGlVmV/QT06yuFH7eDcfGii+i48T87DImskRDxrDU8c/Oah4Tu84NImtHoWpGFDFDQ== |
| 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
| 2026-09-28T08:41:53.365821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169observed 8dd591057b436dfa2eff82e375dd9ce5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T08:41:53.293176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169/manifest.jsonobserved b3a0ffdaa24c0c6fbae103fc920fa8eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:53.192585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169/publication.mdobserved cfe094dd99265cb5fb0aac5388ff0317...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:53.097582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169/publication.txtobserved f7b4355f3e1dbdc3adacef6f5be91d42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:31.966570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169observed 8dd591057b436dfa2eff82e375dd9ce5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:31.950756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169/manifest.jsonobserved b3a0ffdaa24c0c6fbae103fc920fa8eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:31.933182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169/publication.mdobserved cfe094dd99265cb5fb0aac5388ff0317...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:31.915983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008169/publication.txtobserved f7b4355f3e1dbdc3adacef6f5be91d42...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 |
|---|