OT-2026-000100553
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000100553) never changes.
Identity and time
| Publication number | OT-2026-000100553 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f1-7617-988f-63a403dcfde1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48335d13f1bb751bd4c433cdc05d87e329ad2bbc8009d666ce1548f4cce45b49 |
|---|---|
| Markdown | 485f2a8142bdf749ac587330babd61e59d9e2f536e877a311e267bb0d28f9372 |
| Publication page | 8ffe44abae5582def948f19d8551037a47cb0e081d1df4cb09ceceeccc236fad |
| Manifest | db9cdd6b5cc57ae563a23bc7dec6497ff9995f4a8100c85fe1f54ad8d44320a4 |
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 | lYbuJgBctUeAyg454xLkAIwcvvwXLM+He8ZQO6o9YPB4g5pF0JMjaNdwJlm2Ar/bxH9iCASBytsVsvLEcRdWCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:19.607345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100553observed 8ffe44abae5582def948f19d8551037a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:19.588571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100553/manifest.jsonobserved db9cdd6b5cc57ae563a23bc7dec6497f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.570713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100553/publication.mdobserved 485f2a8142bdf749ac587330babd61e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.551689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100553/publication.txtobserved 48335d13f1bb751bd4c433cdc05d87e3...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. |
|---|