OT-2026-000004860
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, 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-2026-000004860) never changes.
Identity and time
| Publication number | OT-2026-000004860 · never reused |
|---|---|
| Internal UUID | 01a0a925-a5f2-7b59-a1cc-74a558bea9d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:51.958185Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004860 |
| Status | PUBLIC |
Content hashes
| Canonical text | ace4bde7e8fc326d16267f23dfbfd2ad29ba76aa9b5dd2dd8df8711e291b3d50 |
|---|---|
| Markdown | 55d5562da4688ac727fa0a2caef3f8a897b33e7d0ea2a42b103c25ef0b3837af |
| Publication page | 19bbd3c8a5aa3acc4f0c95c3b570e176a5bce33e9517028bd91a9a945f30477b |
| Manifest | f9ec051373f57acf62eea78b9996fb538275674a311e88cf499785a91587d182 |
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 | 5Nk96MGCcx8iNqv+cbAsVXmUIaOernDzXNlcDtkZLvw1QXvWjbOh/K25FukHR8TxkC8ZqyFuFmynLfTLlLObBA== |
| 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
| 2026-09-16T07:40:11.212455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004860observed 19bbd3c8a5aa3acc4f0c95c3b570e176...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:11.200093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004860/manifest.jsonobserved f9ec051373f57acf62eea78b9996fb53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.185134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004860/publication.mdobserved 55d5562da4688ac727fa0a2caef3f8a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.172404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004860/publication.txtobserved ace4bde7e8fc326d16267f23dfbfd2ad...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. |
|---|