OT-2026-000008490
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000008490) never changes.
Identity and time
| Publication number | OT-2026-000008490 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-7232-a5b4-54eb12566cf0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008490 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb36cecd6e957494eb8ef20a97b7b17fd6291b49522c40bea2b9f2b9b6a4e1c8 |
|---|---|
| Markdown | 1f5034c67ea96e95026a69437f175cb972be73f8469e698756486d22a00f8946 |
| Publication page | 3f31db67a957bd3e603f9c5399296a430a6ac04973ab3a65ad5103c3b380942d |
| Manifest | ba2da46ab40e6ebe17fe8a6e2cb8b037e3f7948881fb3598eed460ba4fa7411f |
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 | ih20absjWbB5bxiFG5OmpmQRBd6VRiuWC0FmsnZh6qEnV+5I6cXE9uPX1yL3jfZcD7UtCijr0Ixt9Tc/JphlAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:18:23.365407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008490observed 3f31db67a957bd3e603f9c5399296a43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:23.341572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008490/manifest.jsonobserved ba2da46ab40e6ebe17fe8a6e2cb8b037...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:23.322678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008490/publication.mdobserved 1f5034c67ea96e95026a69437f175cb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:23.302867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008490/publication.txtobserved cb36cecd6e957494eb8ef20a97b7b17f...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. |
|---|