OT-2026-000071809
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000071809) never changes.
Identity and time
| Publication number | OT-2026-000071809 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e92-7ddb-a03f-085faa62fa51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071809 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9d9cb6f92d351bf84f62937315a56e5f2c82df79887ec3fd50fe2f992266a604 |
|---|---|
| Markdown | e56f19bf486b963cb253088f2485ab2758845b6b0958a473c683a2e2ee494494 |
| Publication page | c541fdcdc8b5e46f08f467787273124795663bb3d3589c5ff3c56574cc8af9b7 |
| Manifest | eeb1b06fec18b08f95e4129121083ffa5eefdce7d5013085a2153cc332ea4934 |
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 | T4o7rQp+7FgCv0It61Ox0957s+YlMKU+aVVuAm9tuOfbf3RdL2JbBeBaaaJ3mjtAzMNZ+YH6NvPyuRwpKf2QBQ== |
| 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
| 2026-09-17T10:23:58.962233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071809observed c541fdcdc8b5e46f08f4677872731247...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:58.943402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071809/manifest.jsonobserved eeb1b06fec18b08f95e4129121083ffa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:58.924834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071809/publication.mdobserved e56f19bf486b963cb253088f2485ab27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:58.907222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071809/publication.txtobserved 9d9cb6f92d351bf84f62937315a56e5f...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. |
|---|