OT-2026-000074521
Publication integrity record
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000074521) never changes.
Identity and time
| Publication number | OT-2026-000074521 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717b-7703-b45f-94c3f4de0c9d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1221c86582f6cc857429fb71580c16ff0bc84f8250cd791b031402f17eeffc6d |
|---|---|
| Markdown | 34bdd40c1ff84374e0ae9b1dcd9b907844c35008ae356f23e6a7e564f499fde4 |
| Publication page | 1fec617092ae4d7fa858fde38b67bb9d37940caf5357d650034b6f5f1b7c02c3 |
| Manifest | 55e62106f44fe4a8ab19d8c81d9115d637e81cabd2abc9a64efff6b00acff348 |
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 | B+FhFMG/lIiIo0R4Y1v79hqbJ1fuuhIt03xVHB5H8XfsaTZBJnGsTUkdRAu4wuTjs4FeHzCtvxlRtrtCLueHBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:19:29.930236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074521observed 1fec617092ae4d7fa858fde38b67bb9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:29.912337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074521/manifest.jsonobserved 55e62106f44fe4a8ab19d8c81d9115d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:29.891837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074521/publication.mdobserved 34bdd40c1ff84374e0ae9b1dcd9b9078...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:29.873527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074521/publication.txtobserved 1221c86582f6cc857429fb71580c16ff...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. |
|---|