OT-2026-000052780
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum 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-2026-000052780) never changes.
Identity and time
| Publication number | OT-2026-000052780 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7d92-af2e-6983acef213d · 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-2026-000052780 |
| Status | PUBLIC |
Content hashes
| Canonical text | 62dbcde7a080fed2e2e411f081d9f335069ec45fb8aa902c3ea321a9094db3fd |
|---|---|
| Markdown | fa3025edd28d5d0b5da22a75c31d529e32d10b15b2f8ce80f1d465fddcf2fa2d |
| Publication page | 3dbbd6ffa8d8dfbf975a7422822bbaace55c0fc1ae95a4c26d02b8ab10833137 |
| Manifest | 00164ebfef88770dff2ecc4a44252e8cbfbd4f564d0ed5170a99e3f3000ee2a9 |
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 | CVU8Woo4gwCSGtjVA0apTh8RcFN1SzGu8ksz2QHstc9IhlM+sIwKu2Llx3mZJiYeFcyqI+dQifbq+r9AkJZYCQ== |
| 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
| 2026-09-17T10:55:47.461744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052780observed 3dbbd6ffa8d8dfbf975a7422822bbaac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:47.443275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052780/manifest.jsonobserved 00164ebfef88770dff2ecc4a44252e8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:47.407580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052780/publication.mdobserved fa3025edd28d5d0b5da22a75c31d529e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:47.368474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052780/publication.txtobserved 62dbcde7a080fed2e2e411f081d9f335...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. |
|---|