OT-2026-000013484
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000013484) never changes.
Identity and time
| Publication number | OT-2026-000013484 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fca-7b9e-a538-476040a91f76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013484 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82ea4e8937dbf4289872d2d54cb11756d106c275e75cfed26b99646627de9dcf |
|---|---|
| Markdown | d7c7f62a8dffd2d7a0281597dcf04029152772845c466de58156fdd83f1bf72a |
| Publication page | cbac7117e616ccb8046a0f3647aa5ee55e908fbd886985d97a4f8c4d5e94d49e |
| Manifest | d9c73c752fe6446c1c2c9419a12d4c853831ff3a30d2d97778ec0e22c59ec4d8 |
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 | aGabJDuEe+MGw2QvNXa/BBGP8s17nYxE4Wi8LkoTbwsjKFn3VEsIozy7zrar/0zHERh6XgvS18+8PbTWqFaVBA== |
| 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
| 2026-10-20T16:41:53.130881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484observed cbac7117e616ccb8046a0f3647aa5ee5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T16:41:53.061460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484/manifest.jsonobserved d9c73c752fe6446c1c2c9419a12d4c85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:52.986424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484/publication.mdobserved d7c7f62a8dffd2d7a0281597dcf04029...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:52.888626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484/publication.txtobserved 82ea4e8937dbf4289872d2d54cb11756...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:41:03.135699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484observed cbac7117e616ccb8046a0f3647aa5ee5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:41:02.849451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484/manifest.jsonobserved d9c73c752fe6446c1c2c9419a12d4c85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:41:02.627008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484/publication.mdobserved d7c7f62a8dffd2d7a0281597dcf04029...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:41:02.254022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013484/publication.txtobserved 82ea4e8937dbf4289872d2d54cb11756...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 |
|---|