OT-2026-000021545
Publication integrity record
Single cup vacuum gripper, 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-2026-000021545) never changes.
Identity and time
| Publication number | OT-2026-000021545 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7ebf-90f1-ae94c551e942 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021545 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1a5ab499abdc89f98be353cbe6c343b8681aeb02f05ac21df5b527ed8cc96ae |
|---|---|
| Markdown | 8a6b69c08ad36a7b25813968d3c85dfd447954371b5a33ce506f156e249bf8e0 |
| Publication page | c92fe8aca42b2de6d451e754347d54de085196cd5146dcf8dea719ed048ae089 |
| Manifest | 7ea9089a6149bdc27e8e4bf46dc3b90ffc0228eeae9e2fee5c85194c43e9578f |
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 | YHIcI3O7Bvy0NesBakEmKFv5ICGR7iyq4AaB5iSzOalTXNzBAxwP9r8p0z3tD4YH84qjHmQDWLoqujWF3I7oBA== |
| 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
| 2026-09-17T11:55:27.976648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021545observed c92fe8aca42b2de6d451e754347d54de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:27.957405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021545/manifest.jsonobserved 7ea9089a6149bdc27e8e4bf46dc3b90f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.940773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021545/publication.mdobserved 8a6b69c08ad36a7b25813968d3c85dfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.923504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021545/publication.txtobserved a1a5ab499abdc89f98be353cbe6c343b...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. |
|---|