OT-2026-000015621
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump 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-2026-000015621) never changes.
Identity and time
| Publication number | OT-2026-000015621 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-0c4b-70ba-9fdf-36035cd4953d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:02.846253Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015621 |
| Status | PUBLIC |
Content hashes
| Canonical text | eab7bea854a972898244e3ccb48300e0979884d01151de66d580bfffb7e8c676 |
|---|---|
| Markdown | c624dc789bbafe36ae75d93655516be136ed263767cc2cff15e18b302fdbdc27 |
| Publication page | 6d953caa5ac7e31a57dc835c7dd0d005fd7ccf8105fbac59206997124aef4f94 |
| Manifest | 5cbd33e88fd0acf554c316af5610789b80a11272df7e0043e3dd0bfbee356f12 |
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 | hZ4TEMYW8KwZ8TTFnF45gt98pDvzelaDuqDFOZzNRwtF7LJ6wgfAx6RqLG8gAzdjc0lccDojPgVifVZQ7Bk8CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:04:52.219758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015621observed 6d953caa5ac7e31a57dc835c7dd0d005...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:04:52.196977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015621/manifest.jsonobserved 5cbd33e88fd0acf554c316af5610789b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:04:52.179342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015621/publication.mdobserved c624dc789bbafe36ae75d93655516be1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:04:52.162210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015621/publication.txtobserved eab7bea854a972898244e3ccb48300e0...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|