OT-2026-000062446
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000062446) never changes.
Identity and time
| Publication number | OT-2026-000062446 · never reused |
|---|---|
| Internal UUID | 01a0ae8c-0ac0-7478-8864-2550fcb0cb15 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:46:48.542263Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000062446 |
| Status | PUBLIC |
Content hashes
| Canonical text | 27169a69cb55320491d8e777994edb900a33395e540f0795d9a60f2d0558127a |
|---|---|
| Markdown | aad045f83e24d73af7ebd52185dfa8b7d08518f405a62932efed137f8b87b59f |
| Publication page | 8c61ad5562d6efe02bd396142d2a7d2b4dc1e8cb1645883905a82f6493e49345 |
| Manifest | 5ee24f452ec253156d6d39fdcbb28c496bfa4e4da82e468617512e592b07f42c |
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 | bCqJMqImbWtkLlYsCRlzLafCA9stcDzTpEtsjBg09l1+H4WYFDNqjVqwiXHGmVNODLCMoUQiCOmVWRRUH4XoAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-13T20:41:23.803860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446observed 8c61ad5562d6efe02bd396142d2a7d2b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T20:41:23.688727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446/manifest.jsonobserved 5ee24f452ec253156d6d39fdcbb28c49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:23.577075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446/publication.mdobserved aad045f83e24d73af7ebd52185dfa8b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:23.445740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446/publication.txtobserved 27169a69cb55320491d8e777994edb90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:27.246440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446observed 8c61ad5562d6efe02bd396142d2a7d2b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:27.197382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446/manifest.jsonobserved 5ee24f452ec253156d6d39fdcbb28c49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:27.141264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446/publication.mdobserved aad045f83e24d73af7ebd52185dfa8b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:27.082230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062446/publication.txtobserved 27169a69cb55320491d8e777994edb90...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 |
|---|