OT-2026-000091400
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000091400) never changes.
Identity and time
| Publication number | OT-2026-000091400 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16d-7189-8ccf-758346bb1cb8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091400 |
| Status | PUBLIC |
Content hashes
| Canonical text | e5ec32363e425de4895e4b27bee3a0a0233f5fca43a7d73deef01d224d863701 |
|---|---|
| Markdown | ef3a26b61b9f32bb6d3666eef59e7a926972d4b913e1fe436be2a90a45f76222 |
| Publication page | 203c5f4dc122edc488b0609afed22df0223083946c6bcc852e5ac3f41b22338b |
| Manifest | 03057c966ada993ea0995de6837d81c1137a5498448733a6adeacb0ced41d4e3 |
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 | bCatt10LbJGACTfgFUTaY3lZv2xQ/SatfFrLfx16q5O4DT2cVjDx4XNRwp6xiAKM5dtwhES9vW/si2k7ywOXCQ== |
| 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
| 2026-10-27T00:41:36.399658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400observed 203c5f4dc122edc488b0609afed22df0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T00:41:36.335135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400/manifest.jsonobserved 03057c966ada993ea0995de6837d81c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:36.257188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400/publication.mdobserved ef3a26b61b9f32bb6d3666eef59e7a92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:36.176455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400/publication.txtobserved e5ec32363e425de4895e4b27bee3a0a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:24.470768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400observed 203c5f4dc122edc488b0609afed22df0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:24.394302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400/manifest.jsonobserved 03057c966ada993ea0995de6837d81c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:24.265312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400/publication.mdobserved ef3a26b61b9f32bb6d3666eef59e7a92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:24.120807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091400/publication.txtobserved e5ec32363e425de4895e4b27bee3a0a0...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|