OT-2026-000021593
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000021593) never changes.
Identity and time
| Publication number | OT-2026-000021593 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7dd9-8f41-689049e70d2c · 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-2026-000021593 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8246affcf47cfcf3f82d87c5ddc8bf9b1839036f108b1ec420fa7711280df6a8 |
|---|---|
| Markdown | 94df9ad4f84e94ea0d7401e8c54c54cfbc3cca908c769365d8c869aed01c2b59 |
| Publication page | 524349748d24503bb20cac0a424cfd263519bfd5de48f5ec7de858d8177f3ed9 |
| Manifest | 3695828daf15a322a84637a069201650d4a3c61320cf5c9eba4fee4968c9bf2a |
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 | r0RuPA6+I4vn4+cnM02tDyv7ukTJ7CA+fXxyVVnFKKv2F6Wypd98fMCDCYUK1TiXLtzg6aQ0n/drqY8MDjlPAw== |
| 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
| 2026-09-17T11:55:30.960143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021593observed 524349748d24503bb20cac0a424cfd26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:30.942854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021593/manifest.jsonobserved 3695828daf15a322a84637a069201650...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.925546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021593/publication.mdobserved 94df9ad4f84e94ea0d7401e8c54c54cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.909045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021593/publication.txtobserved 8246affcf47cfcf3f82d87c5ddc8bf9b...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. |
|---|