OT-2026-000021567
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000021567) never changes.
Identity and time
| Publication number | OT-2026-000021567 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-780d-aaf6-faf98b4b1d4a · 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-2026-000021567 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b5cc0720a3b073f52c8d4c0fb3f196f41c83e3670b2da0ce32d069a8f11a7f4 |
|---|---|
| Markdown | e22762c85a6779efe093c6487a8ea203acc9ffe1999a2551bd684cf9edd6100b |
| Publication page | 8392258a537ed17fe9101a9e0c90fe53e6b907f16ffa299f2c1f447b93ced671 |
| Manifest | f2b5ead70de88c282261a81250276c03c083abc14abd49037731bff4ede04cba |
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 | Bx97ltKM1bMO7YC+E1tHnpl9gccnd/+0d1KHN/XgD0IWFiheX9nO8ZTj3FG8r5P7gnR1fpcB/jmg6tv4MbK6Ag== |
| 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
| 2026-09-17T11:55:29.339448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021567observed 8392258a537ed17fe9101a9e0c90fe53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:29.321792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021567/manifest.jsonobserved f2b5ead70de88c282261a81250276c03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:29.303167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021567/publication.mdobserved e22762c85a6779efe093c6487a8ea203...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:29.285045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021567/publication.txtobserved 0b5cc0720a3b073f52c8d4c0fb3f196f...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. |
|---|