OT-2026-000090425
Publication integrity record
Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained 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-2026-000090425) never changes.
Identity and time
| Publication number | OT-2026-000090425 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-756f-ab2d-0c50b7661f48 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090425 |
| Status | PUBLIC |
Content hashes
| Canonical text | 46f9182f0edf78d45534c3a833cd1b4e88ba09af909281f070afdfb5cbc92a15 |
|---|---|
| Markdown | 47b440ff1f85bd87a2c25903f49ed9bb01487b55630215c48c9bf9311971460d |
| Publication page | c9905cea778aa935d96885b0044f50e0b46d8b50e801d3a391db4049e37ecac5 |
| Manifest | a9f175409b5afc333ab8035458a5d6543ae3e43f8123fb451e628dfc371c2484 |
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 | AXS/iJRiL/rksYE29aBwKhZuwlqDFU84/dCawyXuThCH+L4o4lCui++/rIixcqmH7LWGCI1v+GtVKgKfP2BjCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:32.532881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090425observed c9905cea778aa935d96885b0044f50e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.515543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090425/manifest.jsonobserved a9f175409b5afc333ab8035458a5d654...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.499082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090425/publication.mdobserved 47b440ff1f85bd87a2c25903f49ed9bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.480532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090425/publication.txtobserved 46f9182f0edf78d45534c3a833cd1b4e...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. |
|---|