OT-2026-000020890
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000020890) never changes.
Identity and time
| Publication number | OT-2026-000020890 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7e77-83df-a6f0806eb991 · 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-2026-000020890 |
| Status | PUBLIC |
Content hashes
| Canonical text | a3fd2f1db913831663f12aca530f65505a8c39728296095269241ed1d8b462ae |
|---|---|
| Markdown | d25dd873bcb6581509f4882abe4f566893b5917e991447e310ba178a9b186888 |
| Publication page | 91a58030dd8c5ca25c60127eb18331e1cd717ea7f71130da807da9f257acc186 |
| Manifest | d2d658b2981ea3c587c63c89b0cc94a35d429f644da51bcb605937bd8a5d5572 |
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 | eE1RLQcrIbRO5EIZkQc4VlQ7samwlp1rnuHV86rhtvE/A1YN9HU2AfgDsc60ZMXtWH4EHX/r7SpY1t7cYKbwBQ== |
| 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
| 2026-09-17T11:56:00.172183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020890observed 91a58030dd8c5ca25c60127eb18331e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:00.153541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020890/manifest.jsonobserved d2d658b2981ea3c587c63c89b0cc94a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:00.135505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020890/publication.mdobserved d25dd873bcb6581509f4882abe4f5668...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:00.115347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020890/publication.txtobserved a3fd2f1db913831663f12aca530f6550...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. |
|---|