OT-2026-000004492
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, pump fed
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-2026-000004492) never changes.
Identity and time
| Publication number | OT-2026-000004492 · never reused |
|---|---|
| Internal UUID | 01a0a919-ceac-7835-a392-46875753c8dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:55.950949Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004492 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e2905c71fc845dd65379a86e588e8eb14d1d618acb9abf5b8ecf25cacbfd089 |
|---|---|
| Markdown | 06a2f428296a9c59be5d4dccb2a2c9eb8b2272779f2b6bc5e1e2c3f120bf7ff1 |
| Publication page | a1e6872640f64bacd2bbfe04a12c9c94b423f66bab8b724b6cc15a20e968fc71 |
| Manifest | e2da65cb6423f7d60900ca7d3f40017f6a9c094af278de52bec84634a6d90338 |
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 | sdyO683i4arejoGDA9R9WSfTzqZmvFP3if9S/LkfhTmQw8RB0YBXs5Xnu379pqHkE2np0A/fY9XoY2I25PvQBw== |
| 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
| 2026-09-16T07:30:21.731140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004492observed a1e6872640f64bacd2bbfe04a12c9c94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.720150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004492/manifest.jsonobserved e2da65cb6423f7d60900ca7d3f40017f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.708159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004492/publication.mdobserved 06a2f428296a9c59be5d4dccb2a2c9eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.695437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004492/publication.txtobserved 9e2905c71fc845dd65379a86e588e8eb...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. |
|---|