OT-2026-000017599
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000017599) never changes.
Identity and time
| Publication number | OT-2026-000017599 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76ca-7d7f-ad4a-292d85d2a455 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017599 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef23765b598d4fc642764d34ef7ebc5c68679609b4138450391c73d8629928c3 |
|---|---|
| Markdown | d0bec6422147defb2a77eae92768424b04a4d7f275b7eb809bd1897820c3819c |
| Publication page | 921a4f8e059b1f1427c9862120138e220c0da2a5ba76e4f212b9a440e8099b51 |
| Manifest | dc3dada9f475d048b7b5c19bbfd9f9c50a9de60c6031261a2bbd82f3fb0ad133 |
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 | y/4EvJqCTodvWi1p/QdFxqFFOGMfo+NnQH6QNrEyPhadMtCw2qTWM9Vvy+sfMvDZf5RJ3T41RT4vlOJcf9x9BQ== |
| 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
| 2026-10-29T04:23:36.483382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599observed 921a4f8e059b1f1427c9862120138e22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:23:36.468060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599/manifest.jsonobserved dc3dada9f475d048b7b5c19bbfd9f9c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:36.452098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599/publication.mdobserved d0bec6422147defb2a77eae92768424b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:36.436862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599/publication.txtobserved ef23765b598d4fc642764d34ef7ebc5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:12.624801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599observed 921a4f8e059b1f1427c9862120138e22...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:12.540738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599/manifest.jsonobserved dc3dada9f475d048b7b5c19bbfd9f9c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:12.442286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599/publication.mdobserved d0bec6422147defb2a77eae92768424b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:12.312146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017599/publication.txtobserved ef23765b598d4fc642764d34ef7ebc5c...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 |
|---|