OT-2026-000021518
Publication integrity record
Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000021518) never changes.
Identity and time
| Publication number | OT-2026-000021518 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-781d-975e-bb0d888ed00c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021518 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b2463ea2e47b108d2a49e69b7f17cd15e65f7145af60c544ddb0dd208a0a7b2 |
|---|---|
| Markdown | 9bf3aeeb01083360c27fb0322bddd0782f47133b583d4fb7796cff057bf336b8 |
| Publication page | 040f95db2b13d0798251c3667b5acc71533d9b6c90eff9735c96dfc823169ce2 |
| Manifest | 9ffecde2e66bfe16a377c068a725bd8faf5411090dd6d4a654ac0a4f84305f20 |
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 | 7tVSqFV+WeRsumGWLt67Gxn2Kd5q4IVV7lt6LF9AmKXbX3mh198UnUOVwfxhrLnxS0bRexy1oZdq8SC6yUYkDw== |
| 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
| 2026-09-17T11:55:26.147270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021518observed 040f95db2b13d0798251c3667b5acc71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:26.127550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021518/manifest.jsonobserved 9ffecde2e66bfe16a377c068a725bd8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.109540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021518/publication.mdobserved 9bf3aeeb01083360c27fb0322bddd078...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.093190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021518/publication.txtobserved 8b2463ea2e47b108d2a49e69b7f17cd1...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. |
|---|