OT-2026-000001446
Publication integrity record
Vacuum gripper
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-2026-000001446) never changes.
Identity and time
| Publication number | OT-2026-000001446 · never reused |
|---|---|
| Internal UUID | 01a0a676-1bc9-7ba9-8be9-7fca3b9e9b42 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:53.354208Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001446 |
| Status | PUBLIC |
Content hashes
| Canonical text | 104e3596b4107272a8502f2628525de9c9a422b35c19aa5b12d78135a6e353dd |
|---|---|
| Markdown | fcdc1bd489a2e5e3cbbd8970c4b6fdfc5e4a073bf01e81f020ec6af206d7dbd7 |
| Publication page | 76608cd76e4220940abaae94ba4210da766ad80f668aabe685acba4abb3ac47e |
| Manifest | 2f4462ee70c74120c10fd9b5cc2478027eea342d9cae42599ea07a679f12b812 |
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 | f2TggwqDZrTtBate6J2SH4xswZDOzI50I3StRng1nL68KEST8omo2Z3w48XM/RPRF9trVpigA9fdxV1G5mABDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-16T08:42:07.145189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001446observed 76608cd76e4220940abaae94ba4210da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:42:06.875378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001446/manifest.jsonobserved 2f4462ee70c74120c10fd9b5cc247802...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:06.221441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001446/publication.mdobserved fcdc1bd489a2e5e3cbbd8970c4b6fdfc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:05.902771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001446/publication.txtobserved 104e3596b4107272a8502f2628525de9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:14.805545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001446observed 76608cd76e4220940abaae94ba4210da...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:14.774417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001446/manifest.jsonobserved 2f4462ee70c74120c10fd9b5cc247802...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:14.760760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001446/publication.txtobserved 104e3596b4107272a8502f2628525de9...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|