OT-2026-000037978
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000037978) never changes.
Identity and time
| Publication number | OT-2026-000037978 · never reused |
|---|---|
| Internal UUID | 01a0ae77-f88a-7df8-bd09-a710cdf18fa0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:53.146436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000037978 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7780db9d0641860f3589a58745d67b6ed43c076c957a67593714354608ce3b96 |
|---|---|
| Markdown | 2648d74b45391eb835dd23da69874986042d98cd4b02a0ed44b2bf7b14914d7e |
| Publication page | 7b67f07918b25491b55df59d862ebbec658d39207a74e0d21a86e37142290a6b |
| Manifest | 3c6a8cb34382e7520342b96162e724a3dd54fa7c6882c96c6e891d2e4e115835 |
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 | 79yUaA9pDwDcCA5LUrK6RKnnKnkniM/iry3BMQkZucGlElBN24J1iWFwZUy23D3lsgVOFv+14yvYZ5MUEkAVBw== |
| 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
| 2026-10-21T00:41:30.748104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978observed 7b67f07918b25491b55df59d862ebbec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T00:41:30.681816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978/manifest.jsonobserved 3c6a8cb34382e7520342b96162e724a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:30.595409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978/publication.mdobserved 2648d74b45391eb835dd23da69874986...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:30.503822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978/publication.txtobserved 7780db9d0641860f3589a58745d67b6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:23:16.337384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978observed 7b67f07918b25491b55df59d862ebbec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:23:16.318902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978/manifest.jsonobserved 3c6a8cb34382e7520342b96162e724a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:23:16.302367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978/publication.mdobserved 2648d74b45391eb835dd23da69874986...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:23:16.286358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037978/publication.txtobserved 7780db9d0641860f3589a58745d67b6e...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|