OT-2026-000049254
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000049254) never changes.
Identity and time
| Publication number | OT-2026-000049254 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134f-718b-9ef1-d60875a73e70 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049254 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2ffeb694e4b50a5e7d37ee8ff0d929143dd35fac9fa45d3c98e59691947ea9a |
|---|---|
| Markdown | a1fd1c32c6a2c19425fc8bceebcf37a36b5ca2cfd8f99c5efbc397e7de6b925d |
| Publication page | 8a00f389ad96a90942839a12f0659b6a33c660e16e0321fe31257a2e621d84c5 |
| Manifest | 27171f9a390702cd8e16a697637fb9282539e9448d209438fe9862780ccb4ada |
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 | 91oQcuAvbxWwLLy4bCTs38IaXxrwIAnBRBzNQPV1ciMMr+dhMh25N6Kxd6DSdY2nDIjvxBUxfxjfaoEveuMPCQ== |
| 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
| 2026-10-17T16:41:50.269268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254observed 8a00f389ad96a90942839a12f0659b6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T16:41:50.219552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254/manifest.jsonobserved 27171f9a390702cd8e16a697637fb928...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:50.168351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254/publication.mdobserved a1fd1c32c6a2c19425fc8bceebcf37a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:50.105914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254/publication.txtobserved e2ffeb694e4b50a5e7d37ee8ff0d9291...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:11.020538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254observed 8a00f389ad96a90942839a12f0659b6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:10.885942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254/manifest.jsonobserved 27171f9a390702cd8e16a697637fb928...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:10.773362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254/publication.mdobserved a1fd1c32c6a2c19425fc8bceebcf37a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:10.555978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049254/publication.txtobserved e2ffeb694e4b50a5e7d37ee8ff0d9291...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 |
|---|