OT-2026-000073471
Publication integrity record
Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000073471) never changes.
Identity and time
| Publication number | OT-2026-000073471 · never reused |
|---|---|
| Internal UUID | 01a0ae92-efb8-7dd0-bcbc-4c4829a0c229 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:20.363042Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073471 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f24c11da085b7f8d9edd05c134b3c1931405114e665487530aba5df1f0c6e34 |
|---|---|
| Markdown | 8a39f9de9cb6c42cff4fd01dbd541f45cb222bbe1f3c92fbcbe77859f55549b7 |
| Publication page | f3c8fd9c97b7d76df497cc8ad62771c02c38de89e83b1f2b1c14bd8080a34cbf |
| Manifest | 83a56505cbaf86861c5c9dfa38ccd4c956cf2dbb7e6755235b664908403bacf2 |
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 | iNxjiM3gU7DhU5ITOkKYjfMEhys4IEvIhwh66PZ/Zg8dFUO6p+5Ht4OhMJ9c4JinZLNrv7zdTIPnsiZmBbcJBg== |
| 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
| 2026-10-16T20:41:43.371315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471observed f3c8fd9c97b7d76df497cc8ad62771c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T20:41:43.305140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471/manifest.jsonobserved 83a56505cbaf86861c5c9dfa38ccd4c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:41:43.239389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471/publication.mdobserved 8a39f9de9cb6c42cff4fd01dbd541f45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:41:43.104180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471/publication.txtobserved 9f24c11da085b7f8d9edd05c134b3c19...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:50.793155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471observed f3c8fd9c97b7d76df497cc8ad62771c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:50.742923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471/manifest.jsonobserved 83a56505cbaf86861c5c9dfa38ccd4c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:50.690784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471/publication.mdobserved 8a39f9de9cb6c42cff4fd01dbd541f45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:50.633393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073471/publication.txtobserved 9f24c11da085b7f8d9edd05c134b3c19...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 |
|---|