OT-2026-000020308
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000020308) never changes.
Identity and time
| Publication number | OT-2026-000020308 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7bd5-bb95-15695724700a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020308 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7bed80ae31abb76a0701fa80967f004bf3eef5fd7de03e8ecc089acb1cafe9c |
|---|---|
| Markdown | 52e82c20c8485b40cd99163b18c87a48a31f7245fa6c1e25aad4b0bebcd47e72 |
| Publication page | a5f70b0af0e340691cb916bc53c4d9a7a981a3589f519bba0ca2b5165d34a579 |
| Manifest | 42936529eddf58523dfe00258448fdd408949bb6c02a7b93851a78883cb032f5 |
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 | ApVybEAIgQTuv3fYYba3e+2nmEsv7LFfbDFZTbSCWzFnstvjksky+9tnvF0+RTjeV7drVrZVKFa4Llc85Q1KCw== |
| 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
| 2026-09-17T11:56:40.656575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020308observed a5f70b0af0e340691cb916bc53c4d9a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:40.638134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020308/manifest.jsonobserved 42936529eddf58523dfe00258448fdd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.619401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020308/publication.mdobserved 52e82c20c8485b40cd99163b18c87a48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:40.601031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020308/publication.txtobserved a7bed80ae31abb76a0701fa80967f004...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. |
|---|