OT-2026-000020972
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000020972) never changes.
Identity and time
| Publication number | OT-2026-000020972 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7761-8a1a-9ec4b43db727 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6467ba6779c5c3e9e935c76bf8912737e1ddc45a506520df99cf68ff71a426fe |
|---|---|
| Markdown | d353a59eb26f4fc0e7e47755bc4710c0ed6cfb4dacdec3c8aeaef2c4fc2cef6e |
| Publication page | b011322e0cbce8ccd8903f79fcd5c0e464ad4555ec69b3f78842ee46cfc38e27 |
| Manifest | d8608738f7d0cfbdb83c58c33dd5b9f939335cfcb5e79d694cec7795812573ca |
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 | 57Cuy1N2domKkvS7bZZdfcf4p/fjjmBQuDREMwHIJe+kPPP+4f8X5rwR5Mc8eeF6NXgarfY67646n0Xs48diCw== |
| 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
| 2026-09-17T11:56:07.018532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020972observed b011322e0cbce8ccd8903f79fcd5c0e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:07.000731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020972/manifest.jsonobserved d8608738f7d0cfbdb83c58c33dd5b9f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:06.982439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020972/publication.mdobserved d353a59eb26f4fc0e7e47755bc4710c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:06.963546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020972/publication.txtobserved 6467ba6779c5c3e9e935c76bf8912737...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. |
|---|