OT-2026-000012891
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000012891) never changes.
Identity and time
| Publication number | OT-2026-000012891 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7d77-bd38-0a3f70c4ad8b · 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-2026-000012891 |
| Status | PUBLIC |
Content hashes
| Canonical text | db97e637ba5546f2fad3ab16c8e4ea7230594124694576f8a7c58ae3af89ea6d |
|---|---|
| Markdown | cb6463bd54236ca75361cf01ae7bd2dfd8175d259be81a55d49634897a8432a4 |
| Publication page | 434ac18509738282dc6327d4645030244e5560050b83d0e42d5fbd79fb50173d |
| Manifest | e60bb765f313281634e08ebc487c1e739b54a8f105454e83d9e7fb0a160e03ee |
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 | jEbGJZ7R4ul1ZRWxiYD+RL0CpJldBH0Oe5BN+yZpWRAnfbnMdHIvPNyB/95xt+C4EoDR1C2IgdpxcNlylg6VBg== |
| 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
| 2026-09-17T12:10:40.894950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012891observed 434ac18509738282dc6327d464503024...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:40.877205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012891/manifest.jsonobserved e60bb765f313281634e08ebc487c1e73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.857842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012891/publication.mdobserved cb6463bd54236ca75361cf01ae7bd2df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:40.839096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012891/publication.txtobserved db97e637ba5546f2fad3ab16c8e4ea72...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. |
|---|