OT-2026-000104245
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000104245) never changes.
Identity and time
| Publication number | OT-2026-000104245 · never reused |
|---|---|
| Internal UUID | 01a0aea5-3420-7802-a846-10fb924505e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:14:17.519068Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000104245 |
| Status | PUBLIC |
Content hashes
| Canonical text | c1a7f4872f331dae25b5e393214c7affd60fd0b2a85533869587f8047159050d |
|---|---|
| Markdown | 29069307062c069686c6140eb36d7b47e13d68365d0c1055a0fded4f7c600503 |
| Publication page | 68edb2c39e72579f08c3cfbc1b1eba117fa4f9c4f0b4545c3901989a8f1d64b4 |
| Manifest | fb4862b1288caaff5b56b6f8307f0b92193d30b9962585ef4986238caaf3e378 |
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 | 6GqbQ/YgsQalJfuCx1nqeNDhfAz4OROOMfNMZEOeYMJtQS1Xoboi3yqD3QS9dlYc5BJvCWAMqdP3LFvhQoyICQ== |
| 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
| 2026-09-17T09:20:21.317439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104245observed 68edb2c39e72579f08c3cfbc1b1eba11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:20:21.300792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104245/manifest.jsonobserved fb4862b1288caaff5b56b6f8307f0b92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:20:21.278958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104245/publication.mdobserved 29069307062c069686c6140eb36d7b47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:20:21.242381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000104245/publication.txtobserved c1a7f4872f331dae25b5e393214c7aff...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. |
|---|