OT-2026-000012545
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000012545) never changes.
Identity and time
| Publication number | OT-2026-000012545 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7652-b52b-58d587f66233 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012545 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4dc0d6d940ebe9f6c53401cdbb5dc3eb9ba1ea7bc78992ec9b4e6747cfc82cc |
|---|---|
| Markdown | 196bc6d7911408e32386c5a85bc98a33b731b590bd95760d931f7f0d8772885e |
| Publication page | b0e3a33a0117df4e5fbe88a1dd21f12dcade31e82fefefcca54e3492aa6f7a91 |
| Manifest | 3091f7cd3e1dad9fd95e7ec1fbb63543285f99391597d707623a6dda4276ee95 |
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 | /wMDUu0JCVbSIUnpjCp4GOFPJBgfMmtiqhENotqYK3MKdwn0QxDdPl0cCACrCFAXAJiU/BUD2zdW4Kmv6CW4BA== |
| 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
| 2026-10-31T04:41:14.076587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545observed b0e3a33a0117df4e5fbe88a1dd21f12d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:41:14.004889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545/manifest.jsonobserved 3091f7cd3e1dad9fd95e7ec1fbb63543...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:13.928485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545/publication.mdobserved 196bc6d7911408e32386c5a85bc98a33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:13.782046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545/publication.txtobserved e4dc0d6d940ebe9f6c53401cdbb5dc3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:13.031377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545observed b0e3a33a0117df4e5fbe88a1dd21f12d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:12.953809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545/manifest.jsonobserved 3091f7cd3e1dad9fd95e7ec1fbb63543...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:12.883984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545/publication.mdobserved 196bc6d7911408e32386c5a85bc98a33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:12.806527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012545/publication.txtobserved e4dc0d6d940ebe9f6c53401cdbb5dc3e...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 |
|---|