OT-2026-000017981
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000017981) never changes.
Identity and time
| Publication number | OT-2026-000017981 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96fc-7026-b717-7a8af95376ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:38.350302Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017981 |
| Status | PUBLIC |
Content hashes
| Canonical text | c957f925dc456b89d83176280402909d87db64e24d6bf8b3ff0519cb9e32ba17 |
|---|---|
| Markdown | cb7c3e6dafbb39ebbf37f1ea6307a9e105759bd1b4030f03bcbe15edae9e03da |
| Publication page | 28a2d7568fc6d045d171b9c3d28df9d7cb71e1eb8ca73ed111cfc6530921bc0d |
| Manifest | c6838ab2ad424849a6db451112e647c46cb457f3efa8ed5c339a913e1fd8d814 |
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 | NkZRmgN5UVYcURFvxD2LKvDsMrfXEj3tRN9zJ9fKrNGD/aX6tyJA/OoTFLe85j8msdmFJzXqyjWmhBX/CX3SCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:01:59.898311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017981observed 28a2d7568fc6d045d171b9c3d28df9d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:01:59.880998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017981/manifest.jsonobserved c6838ab2ad424849a6db451112e647c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:59.865277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017981/publication.mdobserved cb7c3e6dafbb39ebbf37f1ea6307a9e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:59.849107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017981/publication.txtobserved c957f925dc456b89d83176280402909d...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. |
|---|