OT-2026-000028825
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000028825) never changes.
Identity and time
| Publication number | OT-2026-000028825 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7ea2-9ebb-97d7056b4eee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028825 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37988dad257166e1e034638bdebe96b1d2226a85d175ce2cb7afae8ce1128d6b |
|---|---|
| Markdown | 1b73e0c31366236df5057f36d4368f909037cd785327d4ac9999e430b8cfdfb5 |
| Publication page | 2f79574ead945e91e16fce75b4f643ef81d391155d7d7d86aa64489d484fae0c |
| Manifest | ea0a37082435b134b6c55ae6ceeeddd9f7429f0a71d86a09d989e84f3d51796d |
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 | WyHvrU5t2kvOcmSgDbjbSR/SrW8rzU/KEN5i3/gIwficr+A6H8EWFL4oeWy9YUWBRjqfvPDa6PBdmODO234wCw== |
| 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
| 2026-09-17T08:20:04.562720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028825observed 2f79574ead945e91e16fce75b4f643ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:04.540954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028825/manifest.jsonobserved ea0a37082435b134b6c55ae6ceeeddd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.520756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028825/publication.mdobserved 1b73e0c31366236df5057f36d4368f90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.501891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028825/publication.txtobserved 37988dad257166e1e034638bdebe96b1...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. |
|---|