OT-2026-000021430
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000021430) never changes.
Identity and time
| Publication number | OT-2026-000021430 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-76e4-811c-91e3a877a562 · 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-2026-000021430 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9d7ef89c77e16fbf473c3a1ac6ebe42306d5a0fa98a13902f6ddb947baaf4295 |
|---|---|
| Markdown | 31ab286024a5a0a54a3c00ecce811d768adf65b61dac27bfa830712eae06ecac |
| Publication page | a6806f5b4f0845b31f8021a7071a06f95cfb345e851660c60fc199accee567fd |
| Manifest | 00f39f88f128260c827a9ab94935624bad1160d734ade919e9b0588b28a05d1e |
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 | fcs+9x79awm1A1Y2qIXMM6A+AXo2NeITIVKJ7AJKRUajHtPH/2EAutDuNw6c3GlgCaLpZXUBPW0aoOckWR/GDQ== |
| 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
| 2026-10-29T00:41:38.245300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430observed a6806f5b4f0845b31f8021a7071a06f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T00:41:38.162966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430/manifest.jsonobserved 00f39f88f128260c827a9ab94935624b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:38.034881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430/publication.mdobserved 31ab286024a5a0a54a3c00ecce811d76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:37.956936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430/publication.txtobserved 9d7ef89c77e16fbf473c3a1ac6ebe423...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:59.479984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430observed a6806f5b4f0845b31f8021a7071a06f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:59.411428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430/manifest.jsonobserved 00f39f88f128260c827a9ab94935624b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:59.327155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430/publication.mdobserved 31ab286024a5a0a54a3c00ecce811d76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:59.255587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021430/publication.txtobserved 9d7ef89c77e16fbf473c3a1ac6ebe423...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 |
|---|