OT-2026-000029603
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000029603) never changes.
Identity and time
| Publication number | OT-2026-000029603 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e22-739f-b5a4-5701d32f335d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029603 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1977ff92b7acea408ac63f975b8756fa675cac9ee8b22694a7d98d27d7a705d8 |
|---|---|
| Markdown | ba7d82106813ede282770ee33ff04b7a0e25d2a1ecc12053f7bd2aa3562bc350 |
| Publication page | b1b7492a6e56a90860301a0fc813b0f3d84553839fa320d62ffdf1718c93cbf5 |
| Manifest | 6336b79c764ae4a6f4a63ee725bd6a7e92e6d7c959bc728adb5d32ef08c0cc60 |
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 | hwO+Kwct+wPcGBsFVupG8PCc809OhYpUQUL+FWZG6efLTo3GG/hVn87FYmMFAMDaWkPd6dYIuKdEvEiXsx7jCQ== |
| 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
| 2026-10-06T00:41:48.071697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603observed b1b7492a6e56a90860301a0fc813b0f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T00:41:48.020501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603/manifest.jsonobserved 6336b79c764ae4a6f4a63ee725bd6a7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:47.950075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603/publication.mdobserved ba7d82106813ede282770ee33ff04b7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:47.887964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603/publication.txtobserved 1977ff92b7acea408ac63f975b8756fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:50.897593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603observed b1b7492a6e56a90860301a0fc813b0f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:50.768206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603/manifest.jsonobserved 6336b79c764ae4a6f4a63ee725bd6a7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:50.574863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603/publication.mdobserved ba7d82106813ede282770ee33ff04b7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:41:50.373308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029603/publication.txtobserved 1977ff92b7acea408ac63f975b8756fa...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 |
|---|