OT-2026-000019489
Publication integrity record
Single cup vacuum gripper, 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-2026-000019489) never changes.
Identity and time
| Publication number | OT-2026-000019489 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7abe-bb6b-f9cb4e97e5b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019489 |
| Status | PUBLIC |
Content hashes
| Canonical text | beb2c2f5dcb3a03a9bd9abfd88e45bd7acaa3164e92cbe989347707d1f2f8d16 |
|---|---|
| Markdown | 934dc83551acefdef6c0a8fdd561456085bdb37e7f91b624b53be9670c1b1572 |
| Publication page | 33c329e048e8ab877e7c7d826b6b5ecf5e508af000a4724a64f3c30fc92d204b |
| Manifest | 9d66165ca50372948ae35f0d4bdbf7ea507f194d0028f3a322ca9b8ed1709812 |
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 | 4Dfn7Ni+yBXX+ISRLK+HnwdWC/iz9dD+xaAn4NA6QVKDfI6CbfHtNk0SPnuTnn0vEJvUBJUZ4nl3k+I0XStgCw== |
| 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
| 2026-09-17T11:58:54.884725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019489observed 33c329e048e8ab877e7c7d826b6b5ecf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:54.867935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019489/manifest.jsonobserved 9d66165ca50372948ae35f0d4bdbf7ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:54.850657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019489/publication.mdobserved 934dc83551acefdef6c0a8fdd5614560...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:54.832663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019489/publication.txtobserved beb2c2f5dcb3a03a9bd9abfd88e45bd7...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. |
|---|