OT-2026-000056208
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000056208) never changes.
Identity and time
| Publication number | OT-2026-000056208 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7437-99e2-b2357e5e7942 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056208 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccb6e4d5f6d366e20d1b7698bbeb17df917193c2f4de83855f2f44ab15de53cd |
|---|---|
| Markdown | 7f6a1c0dab6fdfd4e5d050106db4c69f88efa7b64fb05eb6bd41c7b1928f0033 |
| Publication page | 40858bdc33016c24ebc4d15917f23dc66cac378a8f432196d106c48df7dd84d1 |
| Manifest | 7f20c64e2570267ac79a7952b9918e4adfbd9ae9c24cf99ad70bc09e12a8cea1 |
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 | 7+Jv5lPEW6c0i20/ob5IFvYqBcxSvevcDfNAnzjSI9axT6NPz+iGKMMgzTbCOqub3n5MoBY+ut0dPkOG/0hlCQ== |
| 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
| 2026-09-17T10:50:40.840525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056208observed 40858bdc33016c24ebc4d15917f23dc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:40.821994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056208/manifest.jsonobserved 7f20c64e2570267ac79a7952b9918e4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:40.805149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056208/publication.mdobserved 7f6a1c0dab6fdfd4e5d050106db4c69f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:40.787777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056208/publication.txtobserved ccb6e4d5f6d366e20d1b7698bbeb17df...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
| Custody package | Pending Custody packages are produced weekly. |
|---|