OT-2026-000056889
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000056889) never changes.
Identity and time
| Publication number | OT-2026-000056889 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af8-7dcf-bb52-19fba6765c4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74bc63cb1b6d363fedf64db6775a73e8c361f4d3591103c75cf863f072a266d0 |
|---|---|
| Markdown | 551b8ffe0fc488d263d991f62c8da59c4d4b8ac5dae3b9e0a5949a4755f3f619 |
| Publication page | 4408c18a3c95a89118b391b023d897950faa57dc71b8a15ac954151c3660b2bb |
| Manifest | a263773ac3e1eb3754ba7e44e55339dcf76a17f4c6714f92af599991c46a7768 |
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 | FrifgvVCSvCN0VeTztrOg2ezg1GFwX5hzgJtVUvh5J13k4BPe5YPtJbrjfS4fDrcatI+4wHuHJPDECPH/65QAw== |
| 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
| 2026-09-17T10:50:25.434420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056889observed 4408c18a3c95a89118b391b023d89795...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:25.416810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056889/manifest.jsonobserved a263773ac3e1eb3754ba7e44e55339dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:25.399070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056889/publication.mdobserved 551b8ffe0fc488d263d991f62c8da59c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:25.381852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056889/publication.txtobserved 74bc63cb1b6d363fedf64db6775a73e8...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. |
|---|