OT-2026-000090461
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000090461) never changes.
Identity and time
| Publication number | OT-2026-000090461 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7389-bf2e-8b58becf7f0f · 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-2026-000090461 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab45b5530a60ed8d0925434dd178ee84142c5cbdb7df5c81c76c562a263761f0 |
|---|---|
| Markdown | 7dac20c582eceded723f608fa02eb711c3c040dd4c37aa7907bcca1bac7057b1 |
| Publication page | f6e2eb7177edb642a534e943e56a50bfb60057fd1aca480c049545dfce30a73f |
| Manifest | 7684fb7d49383e588235cc422bea597318d4b2ee78105cd0d0c064eec401e205 |
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 | NeDLYz+gOUIgoTfVRjoZaZvywAs4UZmRVCuqJqPosZ+e0Zc+iO8Fs/RmkvSqqgpeCdQbTN59ea786TUC+0ZqBw== |
| 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
| 2026-11-01T04:23:04.335523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461observed f6e2eb7177edb642a534e943e56a50bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:23:04.302190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461/manifest.jsonobserved 7684fb7d49383e588235cc422bea5973...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:04.288473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461/publication.mdobserved 7dac20c582eceded723f608fa02eb711...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:04.226035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461/publication.txtobserved ab45b5530a60ed8d0925434dd178ee84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:25.854730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461observed f6e2eb7177edb642a534e943e56a50bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:25.806482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461/manifest.jsonobserved 7684fb7d49383e588235cc422bea5973...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:25.741712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461/publication.mdobserved 7dac20c582eceded723f608fa02eb711...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:25.666844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090461/publication.txtobserved ab45b5530a60ed8d0925434dd178ee84...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 |
|---|