OT-2026-000003499
Publication integrity record
Vacuum gripper on a tool-change interface for job changeover
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-2026-000003499) never changes.
Identity and time
| Publication number | OT-2026-000003499 · never reused |
|---|---|
| Internal UUID | 01a0a906-d7e2-70c2-85eb-5bbd3c48122c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:13.125200Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003499 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0ca00d0b53dcfa9cc986d5281f50739155546363b2b996e954a318f6b8331b28 |
|---|---|
| Markdown | 688b03246b9f7e0ae53a860e60a0eb6f47d9ad8a98736ac5f58058198bd6b346 |
| Publication page | db7a2ec2955ac8d43ddc247a7810407dfee986cf4c9a498cd7a5c5ce2377902c |
| Manifest | a4fe926feb4ae2951a4fd6a0a082c034c2a9752e8a019a8edc044b983318acee |
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 | RTlyrgdYsRQgHeG2CitmyUGGLJH9c2ojYezpR4bsia5V2E62eLf1HqIb3iSC2gclUNxvvIXTm+mapkyumbHgDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:35.201222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003499observed db7a2ec2955ac8d43ddc247a7810407d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:35.186863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003499/manifest.jsonobserved a4fe926feb4ae2951a4fd6a0a082c034...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:35.170593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003499/publication.mdobserved 688b03246b9f7e0ae53a860e60a0eb6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.996652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003499/publication.txtobserved 0ca00d0b53dcfa9cc986d5281f507391...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. |
|---|