OT-2026-000020301
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000020301) never changes.
Identity and time
| Publication number | OT-2026-000020301 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7fec-be3a-dcdbf22aee4a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020301 |
| Status | PUBLIC |
Content hashes
| Canonical text | 985ac1747d93bdf2db58a7640befc3739b4e998081fcaf2f2e7e20493b878044 |
|---|---|
| Markdown | 2e9d33bb9af2fe742560a4fc0bcf67c82af0467510a9edefe7db61018f54b0f8 |
| Publication page | bdf7932d8381675a1c37158d729b8dc17322e227c5dadc4e0f918d4db81a8ead |
| Manifest | bbeeb309fb80c426367fc7fd20ee29d1816f176b5518df6b77d1338ff3a07b59 |
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 | 86bvaJadt7lKpZoIhJLeU9pM4zEc3pk4fSqbCUbz+44zca1k6zgRXwamvgC77oDLJU5p6cCXxgTXEu5I0MqBCA== |
| 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
| 2026-09-17T11:56:40.083946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020301observed bdf7932d8381675a1c37158d729b8dc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:40.066645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020301/manifest.jsonobserved bbeeb309fb80c426367fc7fd20ee29d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.048547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020301/publication.mdobserved 2e9d33bb9af2fe742560a4fc0bcf67c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.028916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020301/publication.txtobserved 985ac1747d93bdf2db58a7640befc373...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. |
|---|