OT-2026-000052720
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000052720) never changes.
Identity and time
| Publication number | OT-2026-000052720 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7afb-a72e-37448adefa44 · 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-2026-000052720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4bafb68c86922437488de4f7bc2f43226739b04cf5357429043c83173dc23fc6 |
|---|---|
| Markdown | bfc98c28d6f770f79bc6a4a6bd118c699ea0809536506b488148d6b54d2c45dc |
| Publication page | 66bc29a78785bbb0ed2165b77704df1c7aaa809892fdeb4b3be9b3c41e61293b |
| Manifest | a2b50d422d02a5843103249e454625aeeb7693a39fadf81c3bac7a37df35ad27 |
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 | WWBb2rfN0mX4zgDAilRMP/rElg+LB/GIzS4w62F21OWSW1JdqiJl4rJRsSZ9o7Nb6drFLrlDDaMWgULrgu87Cw== |
| 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
| 2026-09-17T10:55:42.669543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052720observed 66bc29a78785bbb0ed2165b77704df1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:42.652460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052720/manifest.jsonobserved a2b50d422d02a5843103249e454625ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:42.634658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052720/publication.mdobserved bfc98c28d6f770f79bc6a4a6bd118c69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:42.616407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052720/publication.txtobserved 4bafb68c86922437488de4f7bc2f4322...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. |
|---|