OT-2026-000018453
Publication integrity record
Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000018453) never changes.
Identity and time
| Publication number | OT-2026-000018453 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b48a-7c37-94b0-f380ecf9fd7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018453 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88afb427aff7c0e773f22c8128ad7c312231f2e31e99dead0a27919195420eca |
|---|---|
| Markdown | 2e29430cf00c9cd528587aec7ae6e89f7be27a90de04f64fbaf3c0419d9dd21b |
| Publication page | 7f35f178883674d399a3816e4858f54b5216598654c6b92d32da0d1499836090 |
| Manifest | 31c67fc38a95ec46bcefab0ddd6a3369ab2216eacbf283265a082f25d0e446a3 |
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 | RUtpBeERrSDVLqDNJrwwv23b47r9X+nmiVyW6Pxbx6ceVtB/2cCF1CFYKBMVBfGoTHg2x0Kk2s4wo7W+5+xmCQ== |
| 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
| 2026-10-26T12:41:25.276863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453observed 7f35f178883674d399a3816e4858f54b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T12:41:25.224826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453/manifest.jsonobserved 31c67fc38a95ec46bcefab0ddd6a3369...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:25.173616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453/publication.mdobserved 2e29430cf00c9cd528587aec7ae6e89f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:25.112832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453/publication.txtobserved 88afb427aff7c0e773f22c8128ad7c31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:21.211387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453observed 7f35f178883674d399a3816e4858f54b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:21.133510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453/manifest.jsonobserved 31c67fc38a95ec46bcefab0ddd6a3369...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:21.051169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453/publication.mdobserved 2e29430cf00c9cd528587aec7ae6e89f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:20.895188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018453/publication.txtobserved 88afb427aff7c0e773f22c8128ad7c31...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 |
|---|