OT-2026-000020490
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000020490) never changes.
Identity and time
| Publication number | OT-2026-000020490 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7976-803d-24f1484bb6f7 · 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-2026-000020490 |
| Status | PUBLIC |
Content hashes
| Canonical text | a29504fc408598d4d0e15191495165467502f1f93d5f31d0d92857d12d1b79b8 |
|---|---|
| Markdown | 57e8436e13615ebbca43a9b590b40e5f2ea259772a091cb79c404c033dadca3e |
| Publication page | 022f4e6d55f8b4506e9b77f1f95a39a6dac1644a44767bc9d039c46949befa32 |
| Manifest | 624c6d591b124169cdfe9d542e4668377756a5cad54fc9a00ea6fb6e746bb3b6 |
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 | 9KUYByMNvAaLmSJCopq/L6G97vqv7vkf66uexmpPnOIEUEQ3FkxlUr64BuVdmzMH4fSl5CbUVNO5soMoOfTaCg== |
| 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
| 2026-09-17T12:00:26.520416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490observed 022f4e6d55f8b4506e9b77f1f95a39a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:26.499334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490/manifest.jsonobserved 624c6d591b124169cdfe9d542e466837...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:26.480083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490/publication.mdobserved 57e8436e13615ebbca43a9b590b40e5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:26.459455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490/publication.txtobserved a29504fc408598d4d0e1519149516546...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.891281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490observed 022f4e6d55f8b4506e9b77f1f95a39a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.873180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490/manifest.jsonobserved 624c6d591b124169cdfe9d542e466837...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.856006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490/publication.mdobserved 57e8436e13615ebbca43a9b590b40e5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.837744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020490/publication.txtobserved a29504fc408598d4d0e1519149516546...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. |
|---|