OT-2026-000007861
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000007861) never changes.
Identity and time
| Publication number | OT-2026-000007861 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-7e08-aae2-e35f1baceae9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007861 |
| Status | PUBLIC |
Content hashes
| Canonical text | efedc29cbd06400fb98f96f245befc541a795c090db0cd51a1aa876b98b3bc5c |
|---|---|
| Markdown | d80c2618deb382c2e10c8574a9176db4350ca5facfaa928bd9ec5eb7ffc57d49 |
| Publication page | 08282ceeaed245da67b9dfd92d45387fb0dfd4119940dd683935b7851e19ce5f |
| Manifest | 643ae96f22fb485cb8694fcb56b1f14b214e8696ac058c24a0ed875700ff6d43 |
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 | H4CdgLjxhyyPcZXqw7DFBc+Y3pXVhZegV+tWOYTOly0C+FUnAhhSN3ORhHL2010ZgeucEFruyUFDvgRDY0hICA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-26T00:41:31.031782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861observed 08282ceeaed245da67b9dfd92d45387f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T00:41:30.935460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861/manifest.jsonobserved 643ae96f22fb485cb8694fcb56b1f14b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:30.862263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861/publication.mdobserved d80c2618deb382c2e10c8574a9176db4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:30.756007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861/publication.txtobserved efedc29cbd06400fb98f96f245befc54...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:33.060475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861observed 08282ceeaed245da67b9dfd92d45387f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:32.986554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861/manifest.jsonobserved 643ae96f22fb485cb8694fcb56b1f14b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:32.882654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861/publication.mdobserved d80c2618deb382c2e10c8574a9176db4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:32.716119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007861/publication.txtobserved efedc29cbd06400fb98f96f245befc54...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 |
|---|