OT-2026-000021487
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000021487) never changes.
Identity and time
| Publication number | OT-2026-000021487 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7000-b56e-27935046f782 · 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-2026-000021487 |
| Status | PUBLIC |
Content hashes
| Canonical text | e97409a151d103e91c0da603491531d3e91897d63d2ef66423d311f7f08485df |
|---|---|
| Markdown | d78376329e0cc5bc05ae2464f8a94101bb0753fdae10f9b3ea5ff04e27dd0c3a |
| Publication page | adba1847095ce78db98bc9ceafeebdae47d33856a9b0c57ffed607da2ddb6c53 |
| Manifest | 2f8b4817768388f665dde92c63ec3c61a7dba90f2b51fda14202cdd5328ba6f0 |
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 | 5n7NgJAH1M6JTpufuaVqcQ+677etD90i3ryL1mZJpFE380FVirT0nxL04RdAr9PWyQIzASNlQ6QBdh1OUyEPCw== |
| 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
| 2026-09-17T11:55:24.167653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021487observed adba1847095ce78db98bc9ceafeebdae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:24.149517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021487/manifest.jsonobserved 2f8b4817768388f665dde92c63ec3c61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.131639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021487/publication.mdobserved d78376329e0cc5bc05ae2464f8a94101...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.113964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021487/publication.txtobserved e97409a151d103e91c0da603491531d3...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. |
|---|