OT-2026-000004537
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, pump fed, contact triggered
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-2026-000004537) never changes.
Identity and time
| Publication number | OT-2026-000004537 · never reused |
|---|---|
| Internal UUID | 01a0a91b-4185-77af-a33b-4afdae04fd69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:30.888344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004537 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc813efb5de5ab407903d525145f0164f884744511d25c4dec16f482fc47dddc |
|---|---|
| Markdown | 72c2384a3405ac409cf762f62749b1afb595931ab5be5281e6bc1f9c3a230f6f |
| Publication page | e232d23ab91c3860fa62da8281a795c513f4391b1594636f8254a0574ba0e7ed |
| Manifest | c312e33a8b9b8698ec88c5b3ca0284532f3d2090bdeedac43dc4459d2084e21b |
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 | vEkji7IdmYbZ71m+J2r9JmO7/5sowEp30bj3Huq6TNHFo28Qiv66j7YgIdqLa38PLsVN6zMKhgs4jGIwVSXjCg== |
| 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
| 2026-09-16T07:30:17.146754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004537observed e232d23ab91c3860fa62da8281a795c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:17.134724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004537/manifest.jsonobserved c312e33a8b9b8698ec88c5b3ca028453...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:17.121227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004537/publication.mdobserved 72c2384a3405ac409cf762f62749b1af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.995234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004537/publication.txtobserved fc813efb5de5ab407903d525145f0164...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. |
|---|