OT-2026-000073734
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000073734) never changes.
Identity and time
| Publication number | OT-2026-000073734 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8d-722b-a409-f2ec0242d123 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073734 |
| Status | PUBLIC |
Content hashes
| Canonical text | 89f0a225fc53eae2a2eeaf190c51bfc90ab2222fe65518ca86df3c6302829bb3 |
|---|---|
| Markdown | b340c5f7d070149f4e2fc20894241e6b3618bf4bd184c6b3efc89c8805573762 |
| Publication page | a316abe778ebf9c54149c1f6cecd5417d168c5ef59b048c67f6e7da139276a3a |
| Manifest | 6dbe0965caef9051459b5fa74ee4531a792b6b3a4c9a23b2d36e1cfa99d2c680 |
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 | R4bih/6N5HRnf+UBAn1EWVD0lCwfVh80LGTLVoDymRdMf8rPsld2R+ykpOjxu02Z7YhSrXYqRsgi0g3thNluDQ== |
| 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
| 2026-10-13T20:41:35.873689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734observed a316abe778ebf9c54149c1f6cecd5417...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T20:41:35.820978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734/manifest.jsonobserved 6dbe0965caef9051459b5fa74ee4531a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:35.721948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734/publication.mdobserved b340c5f7d070149f4e2fc20894241e6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:35.614063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734/publication.txtobserved 89f0a225fc53eae2a2eeaf190c51bfc9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:46.913865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734observed a316abe778ebf9c54149c1f6cecd5417...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:46.769123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734/manifest.jsonobserved 6dbe0965caef9051459b5fa74ee4531a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:46.649897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734/publication.mdobserved b340c5f7d070149f4e2fc20894241e6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:46.518514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073734/publication.txtobserved 89f0a225fc53eae2a2eeaf190c51bfc9...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 |
|---|