OT-2026-000103991
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103991) never changes.
Identity and time
| Publication number | OT-2026-000103991 · never reused |
|---|---|
| Internal UUID | 01a0aea5-15e8-767d-be7a-c5c2b07159b8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:14:09.781581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a63e3535fa0114d6114a143dd500dd202fd4d48c4c1ba7294643a36585ad9e7 |
|---|---|
| Markdown | bcd7107812de9d2dd489c2e3904a4b3fe22c33fb22bebc6ca6a6fa3d7f47b991 |
| Publication page | df2b6b93243d33b8b2f8371d95836a167f30adfc375530fbb6db96db437f021e |
| Manifest | dfac1d7e165c73f3a4c05dde2fc07d36473fa830840755d37da7e610f48db476 |
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 | DKq0IOUV8RDMxIY3UEb7SEAQnVDn3lE6S7N0KpZFvmnj/8Nb36zX8VEUeEVwfAivQxBXMEUBjH0yAdCN8aSeBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:21:59.852989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103991observed df2b6b93243d33b8b2f8371d95836a16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:21:59.836267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103991/manifest.jsonobserved dfac1d7e165c73f3a4c05dde2fc07d36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:59.819660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103991/publication.mdobserved bcd7107812de9d2dd489c2e3904a4b3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:21:59.802011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103991/publication.txtobserved 4a63e3535fa0114d6114a143dd500dd2...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. |
|---|