OT-2026-000021223
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000021223) never changes.
Identity and time
| Publication number | OT-2026-000021223 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-77fd-97b3-0f7be131eeaa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021223 |
| Status | PUBLIC |
Content hashes
| Canonical text | f164e066b189569f19f60e173ad1abb5921df2f41426a6638cd1bad4cb21371b |
|---|---|
| Markdown | 5e3a36d73243f9e8d0fc45f48de023ec42b24db9647184cbe41409369e043636 |
| Publication page | f0be1ed6c18defe570b293b7f2aba1b0bafec4e448a42d9f8259b07f6e421b0e |
| Manifest | a6520ea4a3dc41f8f8d4fea23aaba8b5c4b285cdbb02e5e00915bbbf12d314a9 |
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 | 4nE4k1iq0fkDq5vSCfxs1nMPgkzVYX+heN3F1NDeGEa8I8na1uAXW1/VFsk4ow0kzOtqk8OmVN4oubRrRFVDDg== |
| 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
| 2026-09-17T11:55:01.809619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021223observed f0be1ed6c18defe570b293b7f2aba1b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:01.790646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021223/manifest.jsonobserved a6520ea4a3dc41f8f8d4fea23aaba8b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:01.771857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021223/publication.mdobserved 5e3a36d73243f9e8d0fc45f48de023ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:01.754868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021223/publication.txtobserved f164e066b189569f19f60e173ad1abb5...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. |
|---|