OT-2026-000034768
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034768) never changes.
Identity and time
| Publication number | OT-2026-000034768 · never reused |
|---|---|
| Internal UUID | 01a0ae76-1ed2-79db-a554-ff3eeb981c74 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:51.876169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034768 |
| Status | PUBLIC |
Content hashes
| Canonical text | 993422046b09b6f5421df5d63f3b5b0e7a59275cfeed5d1e56afe644ec611a4b |
|---|---|
| Markdown | bba5cbba0bda2d6e59a3eb450e0ae8c23e44c376ff2f4e59428726b75c8d32ec |
| Publication page | 35405b41dc5da8cc1b25065ca2a558170f0cc7c492b1677d2fff7c1a25b66e9d |
| Manifest | c7eeedc93c4d69294dbcc20950eccf0e2fbad3b21c818b40de363568e5644e3c |
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 | 1Ox9zYr+7Fhdv2XTbeikmGd4Xbme2tZFWfMORB8qtLPDxGh4cMjx6U5CEXAZTXcjseDe7P5Iw0SpmIxDPPpkCQ== |
| 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
| 2026-10-18T12:41:15.497461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768observed 35405b41dc5da8cc1b25065ca2a55817...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T12:41:15.443101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768/manifest.jsonobserved c7eeedc93c4d69294dbcc20950eccf0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:15.385927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768/publication.mdobserved bba5cbba0bda2d6e59a3eb450e0ae8c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:15.307079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768/publication.txtobserved 993422046b09b6f5421df5d63f3b5b0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:07.331003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768observed 35405b41dc5da8cc1b25065ca2a55817...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:07.273125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768/manifest.jsonobserved c7eeedc93c4d69294dbcc20950eccf0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:07.215205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768/publication.mdobserved bba5cbba0bda2d6e59a3eb450e0ae8c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:07.142264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034768/publication.txtobserved 993422046b09b6f5421df5d63f3b5b0e...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 |
|---|