OT-2026-000083461
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, 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-2026-000083461) never changes.
Identity and time
| Publication number | OT-2026-000083461 · never reused |
|---|---|
| Internal UUID | 01a0ae97-c965-7b36-b3f8-3d7a2c764532 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:59:38.321156Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000083461 |
| Status | PUBLIC |
Content hashes
| Canonical text | fdacae2890ba20d34fcdf0d8b45d237ce626b0ae03828dc78e6dccffe10a8470 |
|---|---|
| Markdown | ef1b8c6e184e3e01a5f0384df7d5ea9aa51fec778c9996c5c274e4f2e8769bb6 |
| Publication page | 4d86daa77a3ecce09d7aa10071d43d131326e007e0d8f98bbebee0e952a6374d |
| Manifest | a132ae9f900cda5ecfb6aeae707a14ae270dcc38a101591bf42fb0c5a1363fb9 |
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 | 2aqDgBbafC5h3/eKpbeppjf6H2kRYRdw6x3b41CgpY7K9E1a/Oi309vtbPtMMYlGEHHQxegexIN0E/b8QikxBA== |
| 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
| 2026-10-11T04:41:40.259901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461observed 4d86daa77a3ecce09d7aa10071d43d13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T04:41:40.176603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461/manifest.jsonobserved a132ae9f900cda5ecfb6aeae707a14ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:40.088891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461/publication.mdobserved ef1b8c6e184e3e01a5f0384df7d5ea9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:40.015978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461/publication.txtobserved fdacae2890ba20d34fcdf0d8b45d237c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:54.302929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461observed 4d86daa77a3ecce09d7aa10071d43d13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:54.205662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461/manifest.jsonobserved a132ae9f900cda5ecfb6aeae707a14ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:54.105896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461/publication.mdobserved ef1b8c6e184e3e01a5f0384df7d5ea9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:53.983042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083461/publication.txtobserved fdacae2890ba20d34fcdf0d8b45d237c...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 |
|---|