OT-2026-000006768
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, two stage ejector, pressure verified, plastic cups
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-2026-000006768) never changes.
Identity and time
| Publication number | OT-2026-000006768 · never reused |
|---|---|
| Internal UUID | 01a0a966-bfdc-7783-a043-016a17ea8cd6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:47:58.430959Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006768 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58bd4c1a4cf459aaf0da94fea2c4953bc6b86a2f029248f57e354d901e85b6be |
|---|---|
| Markdown | 3f08e4bb062e684fe6c07cf7cd04a882db06c00a1a12e89fd755d39f114b5407 |
| Publication page | 508c02275962a72b1a5e0b1e88bf47b88aa940a829167d65bc65aa70a7b252f3 |
| Manifest | ff497dae5fdb9ad4f620e0a4fd164eb5d87d10db5fb6621cb502a6bab7137092 |
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 | PupBkBUSP0voJsWc+D9tgbINLNC+84XHFs3YNi0AP8jj5S6zJiim/WOtgcqO1T/VWQuwZC9Jkz86k557k2UrBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-28T16:41:15.229598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768observed 508c02275962a72b1a5e0b1e88bf47b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T16:41:15.138241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768/manifest.jsonobserved ff497dae5fdb9ad4f620e0a4fd164eb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:15.035462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768/publication.mdobserved 3f08e4bb062e684fe6c07cf7cd04a882...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:14.875202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768/publication.txtobserved 58bd4c1a4cf459aaf0da94fea2c4953b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:12.884669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768observed 508c02275962a72b1a5e0b1e88bf47b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:12.691186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768/manifest.jsonobserved ff497dae5fdb9ad4f620e0a4fd164eb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:12.454946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768/publication.mdobserved 3f08e4bb062e684fe6c07cf7cd04a882...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:11.988255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006768/publication.txtobserved 58bd4c1a4cf459aaf0da94fea2c4953b...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 |
|---|