OT-2026-000021609
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000021609) never changes.
Identity and time
| Publication number | OT-2026-000021609 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-75b9-9cec-5f155e8c5583 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021609 |
| Status | PUBLIC |
Content hashes
| Canonical text | d22e8d476c6ae5ea817e430577ab8a90e10406bb88ae471addca30d8ec655eb4 |
|---|---|
| Markdown | 08af82c1110d649ea0f777d44cabd13eb4123ab51e1353e2310d8789dec83e71 |
| Publication page | 66e81d457cb7fcaf937cb287c4044c13dd0e309b4498edf9c71ca455aff10e07 |
| Manifest | 27a39d2b4df5eabee736172e338a87298e38e5910336e361e4fb05a3b863aa3c |
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 | zT2bHzrecON87Z4RD3+/BJszN68Jzph9LpR9SMjVVYFWe0SNuH4tQ4WbxbiGWyLMb39oxB844Iz4Q+BKwqSwBw== |
| 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
| 2026-09-17T11:54:08.103127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021609observed 66e81d457cb7fcaf937cb287c4044c13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:08.087108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021609/manifest.jsonobserved 27a39d2b4df5eabee736172e338a8729...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.071058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021609/publication.mdobserved 08af82c1110d649ea0f777d44cabd13e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.055117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021609/publication.txtobserved d22e8d476c6ae5ea817e430577ab8a90...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. |
|---|