OT-2026-000004691
Publication integrity record
Vacuum cup gripper, four zone face, two outlet manifold, two stage ejector, pressure verified
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-2026-000004691) never changes.
Identity and time
| Publication number | OT-2026-000004691 · never reused |
|---|---|
| Internal UUID | 01a0a920-4a9a-72f8-aa3a-4840cdc71451 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:00.893335Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004691 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8ab6ad3dac16b3f72006d40dbd5aba971df5059f282d948d950c078dac39687 |
|---|---|
| Markdown | b07c32e394b777f8070b774ac9b1bc77731520ff24558337ff25343d12d8dc01 |
| Publication page | 289afaa25ef76bd6060202152799833881cbb41ca344d91b9fcd2d36b701d1fe |
| Manifest | f2854358da248b324f178a4cd9c2ba603883d89cb312378331cd355aa7e7697c |
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 | PttHgg0SnnZ3eLNCaOTZ/5R37fgeepdi9X9uh/zAbrgFHpmuUmFGrn+9tJsjfr7bH7gF7DLv0mQrA893ic52Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:29.146287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004691observed 289afaa25ef76bd60602021527998338...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:29.131387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004691/manifest.jsonobserved f2854358da248b324f178a4cd9c2ba60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:28.990933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004691/publication.mdobserved b07c32e394b777f8070b774ac9b1bc77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:28.979069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004691/publication.txtobserved b8ab6ad3dac16b3f72006d40dbd5aba9...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. |
|---|