OT-2026-000051155
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000051155) never changes.
Identity and time
| Publication number | OT-2026-000051155 · never reused |
|---|---|
| Internal UUID | 01a0ae83-273f-7307-a2cc-1bd97439bdf3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:05.998905Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051155 |
| Status | PUBLIC |
Content hashes
| Canonical text | 118dd8ee5dc4c6401f96042353f16e08e3efc6480a24e3d64e9e2c9d0468b62e |
|---|---|
| Markdown | 112ba5c8202275409ba27431eefc6c9c1a797de8740f695e013136e8411fb474 |
| Publication page | de01d65cb162be1a155390801e4f5a0760aba6e5c3d105f23f519917564cc421 |
| Manifest | e9ff7b46fbc16cb4aae9ecd78603f7620f134742077f0318e9cb456003506aad |
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 | z1G6ARDNJKNiLSwNczp+5V5y07gil17AoxF4B6z32BPevvSpRXkGIG/PlYeX6034qqqJMYVG8ph8FRpUpoqKDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-21T16:41:19.377671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155observed de01d65cb162be1a155390801e4f5a07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T16:41:19.325150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155/manifest.jsonobserved e9ff7b46fbc16cb4aae9ecd78603f762...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:19.255371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155/publication.mdobserved 112ba5c8202275409ba27431eefc6c9c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:19.019704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155/publication.txtobserved 118dd8ee5dc4c6401f96042353f16e08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:17.225231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155observed de01d65cb162be1a155390801e4f5a07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:17.154681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155/manifest.jsonobserved e9ff7b46fbc16cb4aae9ecd78603f762...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:17.061080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155/publication.mdobserved 112ba5c8202275409ba27431eefc6c9c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:16.950492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051155/publication.txtobserved 118dd8ee5dc4c6401f96042353f16e08...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 |
|---|