OT-2026-000064943
Publication integrity record
Foam pad vacuum gripper, four zone face, 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-2026-000064943) never changes.
Identity and time
| Publication number | OT-2026-000064943 · never reused |
|---|---|
| Internal UUID | 01a0ae8d-debd-7266-b583-49afbeae7243 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:48:48.495161Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000064943 |
| Status | PUBLIC |
Content hashes
| Canonical text | 143275c872435973cf28f75649ef46860725c0231be7ad7df2df5464bb7faa7f |
|---|---|
| Markdown | 93c3fe07cb506bbbdc65c8d04dcdaaccba4d4836742fd9b9d7c7d808f47943a0 |
| Publication page | cdce4e4fc1dfdd742b312d2eaa0fe65ba3ed8257902d43440f6abddb4cca0aaf |
| Manifest | e85472e280835c5191e9b2641a87b3db20a8ad70d9ae6b7914e12a856f371f61 |
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 | st4Xnquf/5zZ+y2m4N/bNTVmj6UtpuG1WeLu2IKE+V/ieVZfCZEEsSQRdSMFGwV0VTtMgUtC4l54t2HpwAfRDg== |
| 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
| 2026-11-05T00:41:35.037605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943observed cdce4e4fc1dfdd742b312d2eaa0fe65b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-05T00:41:34.988250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943/manifest.jsonobserved e85472e280835c5191e9b2641a87b3db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-05T00:41:34.939108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943/publication.mdobserved 93c3fe07cb506bbbdc65c8d04dcdaacc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-05T00:41:34.875724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943/publication.txtobserved 143275c872435973cf28f75649ef4686...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:37.516983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943observed cdce4e4fc1dfdd742b312d2eaa0fe65b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:37.446148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943/manifest.jsonobserved e85472e280835c5191e9b2641a87b3db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:37.348867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943/publication.mdobserved 93c3fe07cb506bbbdc65c8d04dcdaacc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:41:37.228794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064943/publication.txtobserved 143275c872435973cf28f75649ef4686...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 |
|---|