OT-2026-000020475
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000020475) never changes.
Identity and time
| Publication number | OT-2026-000020475 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7510-b40e-e81b2b792909 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020475 |
| Status | PUBLIC |
Content hashes
| Canonical text | 080633cf2706a6606efd11f72250a21157cee66bf5dd1a7f545a270f80860f64 |
|---|---|
| Markdown | 537be8753cad2892d9bef073f857066a9eeec02bde0e8f2f6ec5b98aee8fa119 |
| Publication page | dea98004d4e5e7284b856f153731a95841501d313afbec667e8f40afc0aac28c |
| Manifest | 5a7209e7d3a7ebf3bdba60ad673c306f9ad2a672fe527cf3543a7d4d4b845a2b |
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 | 9anRpCrxdtk2OG6mRgafNyYmfEdNdlPhN+G+Qqhk7ZvHxqbO+1ldLocHsXM7aIMbuJ7q61X5uEwCjxHzFJxOAg== |
| 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
| 2026-09-17T12:00:24.969346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475observed dea98004d4e5e7284b856f153731a958...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:24.949646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475/manifest.jsonobserved 5a7209e7d3a7ebf3bdba60ad673c306f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.927927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475/publication.mdobserved 537be8753cad2892d9bef073f857066a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.906149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475/publication.txtobserved 080633cf2706a6606efd11f72250a211...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.876812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475observed dea98004d4e5e7284b856f153731a958...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.859888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475/manifest.jsonobserved 5a7209e7d3a7ebf3bdba60ad673c306f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.842670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475/publication.mdobserved 537be8753cad2892d9bef073f857066a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.825210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020475/publication.txtobserved 080633cf2706a6606efd11f72250a211...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. |
|---|