OT-2026-000021496
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000021496) never changes.
Identity and time
| Publication number | OT-2026-000021496 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-75c6-87d6-2d6c2e088719 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021496 |
| Status | PUBLIC |
Content hashes
| Canonical text | c2b44a5abb781473855b762b8cfcf4f590fe7f8348a62be39cb281c02f9c9d1f |
|---|---|
| Markdown | e1fe6849dc1044d263aa0b2b6f678358990b0dd51dd4692586b03b742b3522af |
| Publication page | 3be6531a9dc3e5299ab643988244b09ccd8d7b523dd608ad3432d93ced9b53c3 |
| Manifest | 7240002b4181b8eee46baa65b4506b66a8df7750b3ad74431ac3386ff8b1693c |
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 | d3avo1bPvcR0+m7iFN3MA0ceedW/Z9aIXe9rO7eHUBAWCBr1NE0MABS7JPi6NghGWYEvbahM+meIvmtwRLSMCA== |
| 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... |
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Independent retrieval
| 2026-10-29T12:41:49.292661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496observed 3be6531a9dc3e5299ab643988244b09c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T12:41:49.244580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496/manifest.jsonobserved 7240002b4181b8eee46baa65b4506b66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:49.191134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496/publication.mdobserved e1fe6849dc1044d263aa0b2b6f678358...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:49.137820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496/publication.txtobserved c2b44a5abb781473855b762b8cfcf4f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:04.265243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496observed 3be6531a9dc3e5299ab643988244b09c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:04.187377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496/manifest.jsonobserved 7240002b4181b8eee46baa65b4506b66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:04.030213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496/publication.mdobserved e1fe6849dc1044d263aa0b2b6f678358...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:03.922008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021496/publication.txtobserved c2b44a5abb781473855b762b8cfcf4f5...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 |
|---|