OT-2026-000016616
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000016616) never changes.
Identity and time
| Publication number | OT-2026-000016616 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-5918-7921-a6a7-23489d04e475 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:22.507214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000016616 |
| Status | PUBLIC |
Content hashes
| Canonical text | 830709cf8a7c87997dfd58e07fecb5da5c9e7b2a695de7ae31f42d6a61322209 |
|---|---|
| Markdown | 36d54742f475aae4369616ba2c989a4d71578fabfd58855bb55ac61f1705e86e |
| Publication page | c1d9a3cd708af05d6eb630ce233437501ec66fb4d22e53b8ce66a9c4935cf6b4 |
| Manifest | 8046b887659084959d4d59a0d0780a0c8343fc9e055c33ab615fc8861e772f60 |
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 | F2QzWr384Vwity1d8PrbNcZ23M5ZZs7HDOLsVKa+SuQy9IM44dlUEXwFgxXSirUY7CvywlJi91KMawcqJiSuCA== |
| 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
| 2026-10-05T12:41:14.091069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616observed c1d9a3cd708af05d6eb630ce23343750...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T12:41:14.017278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616/manifest.jsonobserved 8046b887659084959d4d59a0d0780a0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:13.969036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616/publication.mdobserved 36d54742f475aae4369616ba2c989a4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:13.860752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616/publication.txtobserved 830709cf8a7c87997dfd58e07fecb5da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:07.246818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616observed c1d9a3cd708af05d6eb630ce23343750...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:07.173989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616/manifest.jsonobserved 8046b887659084959d4d59a0d0780a0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:07.077598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616/publication.mdobserved 36d54742f475aae4369616ba2c989a4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:06.956381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000016616/publication.txtobserved 830709cf8a7c87997dfd58e07fecb5da...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 |
|---|