OT-2026-000021563
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000021563) never changes.
Identity and time
| Publication number | OT-2026-000021563 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7229-ab98-94f91cbac849 · 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-2026-000021563 |
| Status | PUBLIC |
Content hashes
| Canonical text | 36c9428d72861a84ece1cad3ef03730bd72145d75d31c8fef91ffe3e0fda6906 |
|---|---|
| Markdown | 5dcafb210369667459ae4054fe0485147ef4d08043e7b6a5007cb401ee4f72f5 |
| Publication page | fc48e1e90dcbff11201b713f496af1f9cdcc5a851d715419fe424a2b95e376dd |
| Manifest | c8e69f15fb53db314f61ed151991a66ed774b7553fb4ffa8689eb39ffbedd559 |
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 | BfDTIkkTipLxpM0Q5q4qxGaHSqhLIZxrep7kpqQVrD0bwtS9hq0ECzjsVK+X/lkdFPA9qnDCxcEIMe0gkTqyBg== |
| 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
| 2026-09-17T11:55:29.045885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021563observed fc48e1e90dcbff11201b713f496af1f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:29.027477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021563/manifest.jsonobserved c8e69f15fb53db314f61ed151991a66e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:29.008553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021563/publication.mdobserved 5dcafb210369667459ae4054fe048514...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.990388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021563/publication.txtobserved 36c9428d72861a84ece1cad3ef03730b...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. |
|---|