OT-2026-000004596
Publication integrity record
Vacuum cup gripper, two zone face, ejector fed, pressure verified, contact triggered, polyurethane cups
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-2026-000004596) never changes.
Identity and time
| Publication number | OT-2026-000004596 · never reused |
|---|---|
| Internal UUID | 01a0a91d-32f6-7dcc-a92d-4d73e86d9a0e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:38.233902Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004596 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb19b15bf61ba9823dfd6b8889a827ec2b9d58dff29d75597b6639aced32f343 |
|---|---|
| Markdown | a3f339feda913f13adcff92a46a39778d973d6141415d23813cccf3ba67a0cb6 |
| Publication page | 0d577f409a3a8bc4b7aac82d8bc2f1fd7c01d87f7d2e169177da2cf9c1dbaeff |
| Manifest | 77870ea0d1fa16145390e4078c7ef941bba0a77a9587b13642fe1580b889929d |
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 | vRZr4E7GnVqXO4/R0nhCg/ymMsGrUwNvjDL5yiIcTbDpSqOYiFqtL04H6/OvFxr/htTR0PsxRUASVkTumBglBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T08:43:52.955653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596observed 0d577f409a3a8bc4b7aac82d8bc2f1fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:43:52.662143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596/manifest.jsonobserved 77870ea0d1fa16145390e4078c7ef941...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:52.204455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596/publication.mdobserved a3f339feda913f13adcff92a46a39778...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:51.629625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596/publication.txtobserved fb19b15bf61ba9823dfd6b8889a827ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.949986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596observed 0d577f409a3a8bc4b7aac82d8bc2f1fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.936285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596/manifest.jsonobserved 77870ea0d1fa16145390e4078c7ef941...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.923708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596/publication.mdobserved a3f339feda913f13adcff92a46a39778...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.911406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004596/publication.txtobserved fb19b15bf61ba9823dfd6b8889a827ec...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|