OT-2026-000030912
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000030912) never changes.
Identity and time
| Publication number | OT-2026-000030912 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb6-7cd4-9aee-7a9c2fe0e2c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030912 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7108bb1e22e33caba9bef09828d2fbdda8cd5c25a794ee11fbb64492ead31ff1 |
|---|---|
| Markdown | e65545853804c3f4254ddceaa02a0578a967d8f1210988258c2e74e73aacc1d4 |
| Publication page | c7c28a695601302947f481e0637d225790b5e33edfb3ed2c61a34093bdba9891 |
| Manifest | 28dc7d96a233fa6da732c251e2d43d8bd1dfbdf8aba2fa03c6f4492b7901959b |
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 | HFhhKytCWgDAxP3KbeMnOpwJ2ePvQzsaG8rNHC7aP5SgSXPB4oqvCIoyQ8D/+E5UY+BXLqLwmLcr6YiLCLmUAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-31T04:41:23.769045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912observed c7c28a695601302947f481e0637d2257...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:41:23.694849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912/manifest.jsonobserved 28dc7d96a233fa6da732c251e2d43d8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:23.568859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912/publication.mdobserved e65545853804c3f4254ddceaa02a0578...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:23.492734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912/publication.txtobserved 7108bb1e22e33caba9bef09828d2fbdd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:46.553331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912observed c7c28a695601302947f481e0637d2257...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:46.394004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912/manifest.jsonobserved 28dc7d96a233fa6da732c251e2d43d8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:46.216526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912/publication.mdobserved e65545853804c3f4254ddceaa02a0578...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:45.917050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030912/publication.txtobserved 7108bb1e22e33caba9bef09828d2fbdd...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 |
|---|