OT-2026-000021789
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000021789) never changes.
Identity and time
| Publication number | OT-2026-000021789 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7929-bf2f-29d05e3a1b6b · 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-2026-000021789 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3fdae97adfe71694769145b79a15ee880be671484019ed6c2e7407869236b71 |
|---|---|
| Markdown | 9aaf07a497878f3d51666757d3cf6acfae191e361d5d2f42091d105a8e4c82fa |
| Publication page | 5900d29a5bd4f2e9a07ad6d6e25c67159e887008724610e0e16af57cd9bcd15b |
| Manifest | a8a42cf16a3e694dbaa1e9212cb62ecf6b3a6ce8e9ed6cce54aae02457bb2db7 |
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 | GLtUN0dPfLVM9Ha0KgAXuOUmF3dvit7/U/BQ9MfLRm4txhnigVEFrrw+OZ08x/4CID8jGK423ruQBj9CKk4HBw== |
| 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
| 2026-09-17T11:54:20.381474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021789observed 5900d29a5bd4f2e9a07ad6d6e25c6715...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:20.364525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021789/manifest.jsonobserved a8a42cf16a3e694dbaa1e9212cb62ecf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.343252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021789/publication.mdobserved 9aaf07a497878f3d51666757d3cf6acf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.321764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021789/publication.txtobserved d3fdae97adfe71694769145b79a15ee8...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. |
|---|