OT-2026-000021355
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000021355) never changes.
Identity and time
| Publication number | OT-2026-000021355 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7f65-a8bc-980962337d1a · 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-2026-000021355 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f4f9b26a2e627c2eef7010c073759eb0afbb0290d1e739000b5170e4350e9ea |
|---|---|
| Markdown | 86860c1232a2daeca995297d4126aaf783b3b54c4551c19e3b89490f1bea7179 |
| Publication page | 9c79cd3cb326c7896a7ff4c2b0e400216840a8502f0cb3230dc2d4392288f07b |
| Manifest | 499c20a57afa597dbf52526ee4136e769692d1316e41aca8a7ef9d24b1e83718 |
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 | pIGk47bUb2AID+S2zdwXVmCr/OnzJs1W79c6LkkxN1mCoMkn8IGf/Tqjzq5nqKBMHJOT2OYJrMnr71X+6uBxCw== |
| 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
| 2026-09-17T11:55:12.916628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021355observed 9c79cd3cb326c7896a7ff4c2b0e40021...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:12.894054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021355/manifest.jsonobserved 499c20a57afa597dbf52526ee4136e76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:12.875011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021355/publication.mdobserved 86860c1232a2daeca995297d4126aaf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:12.850197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021355/publication.txtobserved 9f4f9b26a2e627c2eef7010c073759eb...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. |
|---|