OT-2026-000072745
Publication integrity record
Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072745) never changes.
Identity and time
| Publication number | OT-2026-000072745 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89da-740f-9a4e-9be5624dab31 · 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-2026-000072745 |
| Status | PUBLIC |
Content hashes
| Canonical text | af37d450b336666da79316d9eb7df4462315c2adbc5b9289d24c19a8cfd7af61 |
|---|---|
| Markdown | b9c07cd870d2531380de24e32cad042fa0e036e177c6471a8ef5c6cf17bb1ebb |
| Publication page | e7f8615fbc944d704ba1b4e81fb534faf8e6dc2bb0401ed1c54abd72a63b00d6 |
| Manifest | 19b2f347993aeedcb77bc66f07c51f54ebd347893bfe951d876d9dd8c3fcfc88 |
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 | KBmnwZEp1rhSye3yCwKcs0e3UmT3RoxKPxLqpoFU8kZNNQEI2QnKwOBlKj4zxcH1QnP9ViPFkaqCBWu+MhrlBw== |
| 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
| 2026-10-25T20:41:30.543266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745observed e7f8615fbc944d704ba1b4e81fb534fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T20:41:30.446781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745/manifest.jsonobserved 19b2f347993aeedcb77bc66f07c51f54...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:30.322383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745/publication.mdobserved b9c07cd870d2531380de24e32cad042f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:30.084167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745/publication.txtobserved af37d450b336666da79316d9eb7df446...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:26.914378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745observed e7f8615fbc944d704ba1b4e81fb534fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:26.836199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745/manifest.jsonobserved 19b2f347993aeedcb77bc66f07c51f54...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:26.753819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745/publication.mdobserved b9c07cd870d2531380de24e32cad042f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T08:41:26.610133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072745/publication.txtobserved af37d450b336666da79316d9eb7df446...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 |
|---|