OT-2026-000012819
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, pulsed blow-off before set-down
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-2026-000012819) never changes.
Identity and time
| Publication number | OT-2026-000012819 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-705d-8ffc-d82b83f8d7a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012819 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbfb4de4c485a66477ff8d1961ba8f58ccf87c3201c00dbcb2b368963790a818 |
|---|---|
| Markdown | 2c403cc48486421b3a5069986e211af3d68a3b1fcc75c2d8277c5a436dad4fbf |
| Publication page | 31337277f3694254d5a679a9e924abd594757578c6b2075ceb46ff1323880adf |
| Manifest | c227f6df82d9083de0390439e715d86b34d141546004fbff5c095ecab7e9a8f3 |
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 | h2LjEQ9ccb4yNLIG0mEJsNlBQtu9w8FkiS08Ur7xgk7DcCeMlkjMC/y0wMSzpaGu9R6773xpFyJPBttTKixlAg== |
| 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
| 2026-09-17T12:10:33.221247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012819observed 31337277f3694254d5a679a9e924abd5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:33.199605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012819/manifest.jsonobserved c227f6df82d9083de0390439e715d86b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:33.178637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012819/publication.mdobserved 2c403cc48486421b3a5069986e211af3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:33.161724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012819/publication.txtobserved bbfb4de4c485a66477ff8d1961ba8f58...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. |
|---|