OT-2026-000004281
Publication integrity record
Vacuum cup gripper, per zone isolation, pump fed, pressure verified at each zone
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-2026-000004281) never changes.
Identity and time
| Publication number | OT-2026-000004281 · never reused |
|---|---|
| Internal UUID | 01a0a913-1959-70ba-ab2b-d6a22c930ef2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:36.316142Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004281 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5011206480bed2e3d8f836557a829bbdaee1895b7cea86f69e57ca601412433 |
|---|---|
| Markdown | e84251cfbafb6b2477458d366bb33083e47f5d6aded7e030e4fe76d13cc804a2 |
| Publication page | 1071f70f24ffe2d733082d072a6d2768a28bb4dcb24a4e245baa65c33a8511ef |
| Manifest | bd1a7dc07d4b369b3c7dd41604b00c27f5d34f9fd350f56b215a35859becaff9 |
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 | MtGxv4YluBjmutg7xxKZbSzgTVuKuki4oJet1JZBQHHTAgp1yErShZZ8EUU3DHeuE5rjfUjuzvd6B+55DGjtDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:15.678413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004281observed 1071f70f24ffe2d733082d072a6d2768...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:15.666040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004281/manifest.jsonobserved bd1a7dc07d4b369b3c7dd41604b00c27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.653859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004281/publication.mdobserved e84251cfbafb6b2477458d366bb33083...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.637993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004281/publication.txtobserved d5011206480bed2e3d8f836557a829bb...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. |
|---|