OT-2026-000030552
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000030552) never changes.
Identity and time
| Publication number | OT-2026-000030552 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e505-764f-9af7-82a4a605afec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030552 |
| Status | PUBLIC |
Content hashes
| Canonical text | 62f7b717725278db8fa57b1a3732086f7cf3aa032a4a6ea46c91bd66f30b2d26 |
|---|---|
| Markdown | 5a817d00caa296b51063bc27099595eb0102fae066ce564a838bab39afd8e20e |
| Publication page | 44d5a7df2a2b261eba460cadf010acff9bbaf06d7c6274fe13bd621b95c20d60 |
| Manifest | ba9a3a4dc90ac14a43a70fe7187dec0d9bb5cebf7b9fc4e4f31c452b069b14a4 |
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 | neF+waDWOlADa3GeZwlERZs5cTNpdPw74Hih5U+MJljJIqXv2MFJudF9rf7d8nR8N8ayNCp6ADhiT9TwrqhKAQ== |
| 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
| 2026-11-03T04:41:24.954666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552observed 44d5a7df2a2b261eba460cadf010acff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:24.745966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552/manifest.jsonobserved ba9a3a4dc90ac14a43a70fe7187dec0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:24.557862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552/publication.mdobserved 5a817d00caa296b51063bc27099595eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:24.347703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552/publication.txtobserved 62f7b717725278db8fa57b1a3732086f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:09.146309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552observed 44d5a7df2a2b261eba460cadf010acff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:09.130713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552/manifest.jsonobserved ba9a3a4dc90ac14a43a70fe7187dec0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:09.113098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552/publication.mdobserved 5a817d00caa296b51063bc27099595eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:09.093499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030552/publication.txtobserved 62f7b717725278db8fa57b1a3732086f...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 |
|---|