OT-2026-000041657
Publication integrity record
Single cup vacuum gripper, pump fed, 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-2026-000041657) never changes.
Identity and time
| Publication number | OT-2026-000041657 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a0-747a-97e6-1fea419af665 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041657 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e2dd086fc7bc99d79385a31c34455080fe70b747831886092e4f1a5e78c66ab |
|---|---|
| Markdown | d876058b4508ac596e47f1eec33b9541fed32f30346dc377f461e592117b88aa |
| Publication page | 509f5495685ae5b9ecc287b6931e9e663dd1b0211400d58b5f433e1ba4c33c28 |
| Manifest | 6ab1ebc078819c502c31704d71c1346c17daab15f23807bf7cfe027d4b78658c |
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 | dDaKCyRDPOSSkFts8wJPU4HeQoHWZUMGwCTe4gWvJlUE4h5N+V5NKD2VUPS4sLllTD2d4920nxzj0ZLtpgajCA== |
| 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
| 2026-09-17T11:16:27.698428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041657observed 509f5495685ae5b9ecc287b6931e9e66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:27.681717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041657/manifest.jsonobserved 6ab1ebc078819c502c31704d71c1346c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:27.664402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041657/publication.mdobserved d876058b4508ac596e47f1eec33b9541...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:27.646679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041657/publication.txtobserved 0e2dd086fc7bc99d79385a31c3445508...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. |
|---|