OT-2026-000072734
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented before 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-2026-000072734) never changes.
Identity and time
| Publication number | OT-2026-000072734 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89da-7068-b9eb-d737690e3151 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072734 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c68832375d642c7e9da9d8da8b5d043a5c4d60d2c64589d3435b56ed8938c9f |
|---|---|
| Markdown | 0aea1d5f9c68056559b824ac2013a14c53c5c73b77cbfb023c35843d903d5e6c |
| Publication page | 2181c13dd38c3b8447a65bbfa63f6f32f97c3863015a7407e67e34c25e93f33d |
| Manifest | 373c33c647a18097c5729117821d1a9f0f35de0c014708771e6f3fbeed15587e |
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 | IR7VMQ2JiSc5nZHQv+wkr1C3f9mlc9IfciU/4syw+wMVtpjCZv3lvijSX1nbz/KB5QsaX50NNvv0Vb8JQsQ/AA== |
| 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... |
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Independent retrieval
| 2026-10-06T12:41:18.606440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734observed 2181c13dd38c3b8447a65bbfa63f6f32...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T12:41:18.534166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734/manifest.jsonobserved 373c33c647a18097c5729117821d1a9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:18.457827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734/publication.mdobserved 0aea1d5f9c68056559b824ac2013a14c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:18.363489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734/publication.txtobserved 7c68832375d642c7e9da9d8da8b5d043...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:19.239430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734observed 2181c13dd38c3b8447a65bbfa63f6f32...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:19.178204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734/manifest.jsonobserved 373c33c647a18097c5729117821d1a9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:19.089747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734/publication.mdobserved 0aea1d5f9c68056559b824ac2013a14c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:19.007986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072734/publication.txtobserved 7c68832375d642c7e9da9d8da8b5d043...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 |
|---|