OT-2026-000052816
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000052816) never changes.
Identity and time
| Publication number | OT-2026-000052816 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7646-b82a-1f915315f75d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052816 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2cd9720e86256873e93d67d10c9f3b38b433ea2adac389ac3deda3c910b0647e |
|---|---|
| Markdown | 6c6c370331b2ea86c2e752ed574c0870c6e7061866ac20891a78dacda671331a |
| Publication page | 67e3adfcc8c04562bfd4c9ca1e5866ad0c53352bf1dee0944f270c938d43cc6c |
| Manifest | 276d11b517a26eebfcdaefaec621f535a588b4e3387b3ce479431e6435957339 |
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 | Moc6WItQuazSZ3tVh8NoIVJXB2BFIyx+en135n3OFFrG9RGhQF2SIhrxed1uXMVQuSKrMvjyuVXSuC3ed3UtBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:50.267218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052816observed 67e3adfcc8c04562bfd4c9ca1e5866ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:50.248825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052816/manifest.jsonobserved 276d11b517a26eebfcdaefaec621f535...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:50.228880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052816/publication.mdobserved 6c6c370331b2ea86c2e752ed574c0870...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:50.210136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052816/publication.txtobserved 2cd9720e86256873e93d67d10c9f3b38...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. |
|---|