OT-2026-000075884
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000075884) never changes.
Identity and time
| Publication number | OT-2026-000075884 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29ff-7a95-af90-a80ac32fd01f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075884 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf14a1095944051c922ee6dfaf1523ec45c5fb13df917e3aa957216a163f0d15 |
|---|---|
| Markdown | 9af4b500103c6705b7f3142a47533999a2ed7a88bcc6da295b5a01a921f1ff8f |
| Publication page | fc273783d34b16f0a360fd2168edb645843a9ca2a10c8cad91eed837287de1d1 |
| Manifest | a8f344fb5ee9f123052fd6b7827292ace5fcd56dc4f6fa9d65a606e3894ade34 |
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 | EqMQjiiRXyYESA2lRsAwgJg8Dl2O/zwKajrK8qhMqdf0U2j8VMHEWSEzLpLB5AXa9SSMwRWsvKhs4t3d+UfgCw== |
| 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
| 2026-10-28T00:41:40.869728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884observed fc273783d34b16f0a360fd2168edb645...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:40.706619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884/manifest.jsonobserved a8f344fb5ee9f123052fd6b7827292ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:40.627727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884/publication.mdobserved 9af4b500103c6705b7f3142a47533999...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:40.542703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884/publication.txtobserved bf14a1095944051c922ee6dfaf1523ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:42:01.325286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884observed fc273783d34b16f0a360fd2168edb645...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:42:01.252984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884/manifest.jsonobserved a8f344fb5ee9f123052fd6b7827292ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:42:01.180994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884/publication.mdobserved 9af4b500103c6705b7f3142a47533999...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:42:00.994506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075884/publication.txtobserved bf14a1095944051c922ee6dfaf1523ec...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 |
|---|