OT-2026-000031487
Publication integrity record
Two cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000031487) never changes.
Identity and time
| Publication number | OT-2026-000031487 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7d5d-b308-e809ffab75df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031487 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f42a7d5b3d762921e8128c710c855c9f7644fbecb4188e9c6fec6e4b36d8c66 |
|---|---|
| Markdown | c0fd4b8839d2f7c9461b07ee28301c17941a7c0764192ad6cd8fcf7bcd906241 |
| Publication page | 3df009f7157a92c3ee3706b935d1d8a23854025756cdb01072539a22ebb3668f |
| Manifest | 34f27dfee62dc7f47f1c2d30b0c654a7e36424ccc01b9962bf045cb6d34d37c4 |
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 | d+F9p7QkdAcS8eskEvgVwsKtEecbL8Wvhdv6TBCj4Hs1nQEjgCQw1sBwT/+A+pRn26WnGR4BY1Q9s+ZB1+XCAQ== |
| 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
| 2026-10-02T04:41:17.914652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487observed 3df009f7157a92c3ee3706b935d1d8a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T04:41:17.841894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487/manifest.jsonobserved 34f27dfee62dc7f47f1c2d30b0c654a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:17.759036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487/publication.mdobserved c0fd4b8839d2f7c9461b07ee28301c17...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:17.682515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487/publication.txtobserved 4f42a7d5b3d762921e8128c710c855c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:16.388848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487observed 3df009f7157a92c3ee3706b935d1d8a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:16.027183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487/manifest.jsonobserved 34f27dfee62dc7f47f1c2d30b0c654a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:15.694795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487/publication.mdobserved c0fd4b8839d2f7c9461b07ee28301c17...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:15.506078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031487/publication.txtobserved 4f42a7d5b3d762921e8128c710c855c9...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 |
|---|