OT-2026-000021863
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000021863) never changes.
Identity and time
| Publication number | OT-2026-000021863 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7819-a0d1-5024d113f6c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021863 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87715d762e4d09851f97ee68df8b6bd8b493144e0652aa66a54de768c72b4112 |
|---|---|
| Markdown | 91ab9a6b8c93bb1abb14a7b6e7428cf4a0bbae4183a1fb62753af5a33abc4e5e |
| Publication page | 7c1959c3382b6fc7a544bd96207d572a3559efd55940fbc87f520b62786c8745 |
| Manifest | bb8d07aeb6682ad6a1ad9329abdf3ee5bed03f90e343e409fda734facc1dfe7b |
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 | OztiG1+VEkNTKuAMvxaTMEXCrCW9chQJdBRYcnIPEdmW/eXRDc6IXowFju47K7FgWPYOMFrp5FP96j0/+i/RBQ== |
| 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
| 2026-09-17T11:54:25.547232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021863observed 7c1959c3382b6fc7a544bd96207d572a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:25.528939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021863/manifest.jsonobserved bb8d07aeb6682ad6a1ad9329abdf3ee5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.513031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021863/publication.mdobserved 91ab9a6b8c93bb1abb14a7b6e7428cf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.496457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021863/publication.txtobserved 87715d762e4d09851f97ee68df8b6bd8...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. |
|---|