OT-2026-000016347
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000016347) never changes.
Identity and time
| Publication number | OT-2026-000016347 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-2d12-70c7-84b1-0f74c0970895 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:11.237946Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000016347 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3b2b7036669935e8e5c75b8f15e34f749422b603a7b062e196dd20639c6994b |
|---|---|
| Markdown | 8a883b75d9d422a1b0b54c501dc293befdd4bfd75a54c6a3c6adaa136d5e4293 |
| Publication page | 83744f66c0f062220deca1d3c5218eb742271b625ceda6e4b6052e1a0ecb9fdc |
| Manifest | 747e325175aaf0292fd56d4e6ebb278993fcdee77f3f3c761d36cd29e88b4640 |
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 | CSO5bEsTckzT4X9B78xgbYwifFP9o+fVePllH54uCHXYO2u5lw58Znn81Rmt8MsZNKoW8y3Ia0tRSY5CQUqtDw== |
| 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
| 2026-10-23T08:42:01.214557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347observed 83744f66c0f062220deca1d3c5218eb7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T08:42:01.122355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347/manifest.jsonobserved 747e325175aaf0292fd56d4e6ebb2789...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:42:00.965834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347/publication.mdobserved 8a883b75d9d422a1b0b54c501dc293be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:42:00.811805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347/publication.txtobserved f3b2b7036669935e8e5c75b8f15e34f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:10.332099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347observed 83744f66c0f062220deca1d3c5218eb7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:10.263572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347/manifest.jsonobserved 747e325175aaf0292fd56d4e6ebb2789...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:10.111819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347/publication.mdobserved 8a883b75d9d422a1b0b54c501dc293be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:10.017560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016347/publication.txtobserved f3b2b7036669935e8e5c75b8f15e34f7...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 |
|---|