OT-2026-000053543
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053543) never changes.
Identity and time
| Publication number | OT-2026-000053543 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-78ab-9743-fcd9ae84ec41 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053543 |
| Status | PUBLIC |
Content hashes
| Canonical text | a41150d3429a9320285b0e907fd0d634943597ef2bef3145369c95b07d3454ec |
|---|---|
| Markdown | cb2d88dc7f54aab0833cff99a7d0f6100e9241f70e18cfb31b88f9c9c27c0633 |
| Publication page | f77ddf5c3ab350886c5cdc2b9ffeafa5547a5ecc457e59c87aafcccc13608b91 |
| Manifest | cd9a48bda950c7d27cf3e343150fd820c046b63f466379b3c5f60d9eae6199e1 |
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 | mv5BLGMYpb+g67NRLy6JuHf95r0JnBaUPfYnwWER7vHfrtN4/L2GyU9qjyD0CMfBbCsZhg/h7JzHBarWVnGbAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:23.858010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053543observed f77ddf5c3ab350886c5cdc2b9ffeafa5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:23.838512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053543/manifest.jsonobserved cd9a48bda950c7d27cf3e343150fd820...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:23.822629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053543/publication.mdobserved cb2d88dc7f54aab0833cff99a7d0f610...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:23.805467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053543/publication.txtobserved a41150d3429a9320285b0e907fd0d634...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. |
|---|