OT-2026-000056250
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000056250) never changes.
Identity and time
| Publication number | OT-2026-000056250 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-78cc-9e02-4a7d6c41f4e5 · 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-2026-000056250 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5346f40ad86f07598ca6e1efde68fa56179a69b0b84e424774a29b3d4b5cdd8c |
|---|---|
| Markdown | a58d8f553b94e1de892912f69a0ba0226799415f45e6a258d489bc28d6d1afc8 |
| Publication page | fc47a0afdcc1d5ed2d84e4d421657db5ed6c0e70331d308c72a946fd7f8164d2 |
| Manifest | 636a41a321ec5eef6e90a528ddd7a53235c4cecda0fdf2394e8d248cdd634ad6 |
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 | HehjXpB3MeIaHx2XOOV75e/TSJhrSjCoiK/aic+MsIF6n2gs/msHaBTVz6iBUhDi0qyXOKV0SIvbkSONhu07Bw== |
| 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
| 2026-09-17T10:50:43.895756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056250observed fc47a0afdcc1d5ed2d84e4d421657db5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:43.879081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056250/manifest.jsonobserved 636a41a321ec5eef6e90a528ddd7a532...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:43.859890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056250/publication.mdobserved a58d8f553b94e1de892912f69a0ba022...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:43.841854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056250/publication.txtobserved 5346f40ad86f07598ca6e1efde68fa56...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. |
|---|