OT-2026-000020989
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000020989) never changes.
Identity and time
| Publication number | OT-2026-000020989 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7c34-9d17-025011614181 · 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-2026-000020989 |
| Status | PUBLIC |
Content hashes
| Canonical text | 879a7132984a54a4e4b8ebdacedefed5a3932bde3c268c202d3dcf9ba287e2b3 |
|---|---|
| Markdown | 606b3a911e0adbc6a401104b8378bc5df4db23d2968f34a4ba2b10ca01eedc55 |
| Publication page | 0ad8b5f584a895b671842c48c0c693a304600178afc8e8caefa218bee97b2915 |
| Manifest | 0ad0dee0480585cecc0e649cd5ef5ddb92c4e88bfb043b6e6d6a032365aa47a7 |
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 | eXfAs2Om24ksrt00hHZmTeK41HH+dmiZ7+bf3udnesPAvP2BvYfZzWxvWwX6+SLAlDEJqUQGZCetMFxElsXQBA== |
| 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
| 2026-09-17T11:56:08.503199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020989observed 0ad8b5f584a895b671842c48c0c693a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:08.484225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020989/manifest.jsonobserved 0ad0dee0480585cecc0e649cd5ef5ddb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:08.466394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020989/publication.mdobserved 606b3a911e0adbc6a401104b8378bc5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:08.446191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020989/publication.txtobserved 879a7132984a54a4e4b8ebdacedefed5...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. |
|---|