OT-2026-000031550
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000031550) never changes.
Identity and time
| Publication number | OT-2026-000031550 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7f59-8637-f5a5a0c0536f · 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-2026-000031550 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4bff97185f510448a4c81bcafb7ab847c8f190ac5574a191291ab18242cbe06 |
|---|---|
| Markdown | c368f8e8f117090d463263bb899b1f4939bffe995718beefde4c7f484a8928ef |
| Publication page | 5fbff4daec6f20689383bca00805c87da86d932249c3956e357ca9ffad3357bc |
| Manifest | 9f10d424bea4c9b4006ed7172ae009234597909330e384b03298aa8ee840bd4f |
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 | mrypfqYvL1WqyYiEpdpzfjMGGswDoLsCMkgxxMD9AZacNNKRU2xF3LYT5JzEi6HZ0Yb/TmVyLIBYh1GnV43RDg== |
| 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
| 2026-09-17T11:36:23.654462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031550observed 5fbff4daec6f20689383bca00805c87d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:23.637078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031550/manifest.jsonobserved 9f10d424bea4c9b4006ed7172ae00923...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:23.619909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031550/publication.mdobserved c368f8e8f117090d463263bb899b1f49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:23.602373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031550/publication.txtobserved e4bff97185f510448a4c81bcafb7ab84...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|