OT-2026-000021779
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000021779) never changes.
Identity and time
| Publication number | OT-2026-000021779 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7132-873a-7e1ffa042de7 · 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-2026-000021779 |
| Status | PUBLIC |
Content hashes
| Canonical text | 274a06a5ff0a3c07e2fb0b207a113c11d240ca3142d90d014a7e0010b3cd2986 |
|---|---|
| Markdown | 20af0dd20ae41f38a39f7af9809706a4462b5bfdf04be9f709a99472a4f2abe9 |
| Publication page | 0197be33bf4671c135f06f2309adca96c22457706760a2bd63ec81ee9c8de96f |
| Manifest | 6acecd3870b900f763c8ba638a371d5e13766e4a4f81f4260ce3bfabac43bd9a |
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 | 1/pedAkIN3SXlxrXHg+C1sRdMMj0tcV8+Mt1BrzOn8B/zQEIRJSVVRuYRb+DHHNVZDhC2NcYfk8WizeOK6PkAw== |
| 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
| 2026-09-17T11:54:19.530773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021779observed 0197be33bf4671c135f06f2309adca96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:19.514199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021779/manifest.jsonobserved 6acecd3870b900f763c8ba638a371d5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.496857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021779/publication.mdobserved 20af0dd20ae41f38a39f7af9809706a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.478229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021779/publication.txtobserved 274a06a5ff0a3c07e2fb0b207a113c11...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. |
|---|