OT-2026-000022549
Publication integrity record
Single cup vacuum gripper, pump fed, sustained 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-2026-000022549) never changes.
Identity and time
| Publication number | OT-2026-000022549 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4ff-76aa-9104-6b5ba6b821ec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022549 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf90fa3423e8ed0cc63fa8632c11b5e000fb52a751c99e24f364207dc2c63f5f |
|---|---|
| Markdown | a048a25816c6a23341b10fba8a23ded850f04f5a0d68368a169421fda1371925 |
| Publication page | c6414d7bff711a35a139aad7eb8374b63a1438df8e58a06cbbeb2633a46115a0 |
| Manifest | 27e6a281dbcc17b9d55eaba308a836a90e3bb1a72b2902650a27501804cc5ad0 |
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 | vDk3Lkdlr/wiM35yYPnKQELzpA4v1OVGmaZI7WdTfIQ5qcg7pY9GsSh96q/2SVfdEXL7S4+rB/UsCDnAUGzuCQ== |
| 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
| 2026-09-17T11:53:59.134282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022549observed c6414d7bff711a35a139aad7eb8374b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:59.116515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022549/manifest.jsonobserved 27e6a281dbcc17b9d55eaba308a836a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:59.099187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022549/publication.mdobserved a048a25816c6a23341b10fba8a23ded8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:59.081286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022549/publication.txtobserved cf90fa3423e8ed0cc63fa8632c11b5e0...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. |
|---|