OT-2026-000057281
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000057281) never changes.
Identity and time
| Publication number | OT-2026-000057281 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5bc-7888-a4a3-39b2f305d435 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ac4682246be94b7c0d21ff591b0948e0fb89e3cfc6539ef30c503a436dee79b |
|---|---|
| Markdown | 8e46d1a4fc1623d11bdd7d76f9023d10c9633dc0ab1e240dbe2d6af8ed46090f |
| Publication page | a28464824beafbfb1bde7255a2dcab7118b5a4d70d78f6ace4bdd36c21091c06 |
| Manifest | a1bab28a2d77680bb8bc69f3f71f53246ae43d0a4d6acc4e1b14cb001576f477 |
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 | uoKV315AkHnv0Ua2XLsZzgov/E6sxHcr+GMBioYe/EtdKElMVtZim9BD5X6yYCR/dk3JKcEvDoxqRPB3HOSsCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-01T12:41:32.633458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281observed a28464824beafbfb1bde7255a2dcab71...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T12:41:32.563106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281/manifest.jsonobserved a1bab28a2d77680bb8bc69f3f71f5324...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T12:41:32.500874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281/publication.mdobserved 8e46d1a4fc1623d11bdd7d76f9023d10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T12:41:32.434882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281/publication.txtobserved 6ac4682246be94b7c0d21ff591b0948e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:27.505224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281observed a28464824beafbfb1bde7255a2dcab71...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:27.426089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281/manifest.jsonobserved a1bab28a2d77680bb8bc69f3f71f5324...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:27.353711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281/publication.mdobserved 8e46d1a4fc1623d11bdd7d76f9023d10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:27.266269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057281/publication.txtobserved 6ac4682246be94b7c0d21ff591b0948e...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 |
|---|