OT-2026-000003508
Publication integrity record
Porous face 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-2026-000003508) never changes.
Identity and time
| Publication number | OT-2026-000003508 · never reused |
|---|---|
| Internal UUID | 01a0a906-decd-7b65-ac40-e9e32691fa85 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:14.896143Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b385fbc4453a067db38e59d4d8368f0fa040e189917f32a0760fc26ab2e5dd2 |
|---|---|
| Markdown | a1dbc9889a4b5f1920ea34c715c60d3afcc65876c08031317d09b07e6493c6f8 |
| Publication page | c3fd56f622a2295052e9a97a07d1c873ccdcc43d551448ba68e8ab29e884e292 |
| Manifest | e2172b3272c27f3346801f8886facb6c6adbffa680e5581121cb98c895cd0c57 |
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 | B8bDslgwVmbKySVgABKyzl3O/P/ZVQgNxwmUo6NTF9RV9NBV3zw5GVtXrIcuQzwyJ2u2Bo7YnTVsr1Q1I/9VBw== |
| 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
| 2026-09-16T09:00:33.973648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003508observed c3fd56f622a2295052e9a97a07d1c873...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:33.958864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003508/manifest.jsonobserved e2172b3272c27f3346801f8886facb6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.944906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003508/publication.mdobserved a1dbc9889a4b5f1920ea34c715c60d3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.927072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003508/publication.txtobserved 9b385fbc4453a067db38e59d4d8368f0...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. |
|---|