OT-2026-000028865
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000028865) never changes.
Identity and time
| Publication number | OT-2026-000028865 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7df6-86dd-d3f3dccc2cce · 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-2026-000028865 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1059f789634787232c0f4c392f4e8dd7a10b200d75ecd2f97cf6474ebbe4f952 |
|---|---|
| Markdown | 497c1fc6c860fa3248a2b3ca9a1e1b483537239b8c584fffbc0dbab23510460a |
| Publication page | 7bddfd9dfcd0a5c8e9246ab12dd78a8eaca99b35024c7f4effc6ad674111e4c1 |
| Manifest | a3401542b0a5a3e9bb0f43b19e8d7d13f9dfa29ff3f9bbfb9a37de66095c332a |
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 | 6amCBQsZl9GYGPxAyt+uPEmzsJbzh6a3Pff/vRPZOaZO135tzhZPGKqNUJBtkDc9slLjhoUjrgw4i4kAJGFGCg== |
| 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
| 2026-09-17T08:20:11.780662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028865observed 7bddfd9dfcd0a5c8e9246ab12dd78a8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:11.760659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028865/manifest.jsonobserved a3401542b0a5a3e9bb0f43b19e8d7d13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.741841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028865/publication.mdobserved 497c1fc6c860fa3248a2b3ca9a1e1b48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.720153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028865/publication.txtobserved 1059f789634787232c0f4c392f4e8dd7...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. |
|---|