OT-2026-000028272
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000028272) never changes.
Identity and time
| Publication number | OT-2026-000028272 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-72e8-bc73-d999469e9d2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028272 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c287f1e78baa8f3a3a8ff9befa51c386ea71672645fc6c961b95e17433b1799 |
|---|---|
| Markdown | bdb044353f2d132657b8310ff5951cc622824a071f20d2252b89d577db06dbd3 |
| Publication page | 5ab913fbe7f4b5d7400aa6c6eb6425bd7fda3cb7e8d471699330680371a9d09b |
| Manifest | 28121eb6e663e65db000e9dd6426e3f15078afcccff9f435867bbc7025560736 |
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 | KxFaUQzpPyOtHlejHHcwLW/IGyNmr1yG14G3QawlV/eaIfpmjUgQk6tfH6L5/wlCNMPJ7GjVsDkh2VwazG4OAQ== |
| 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
| 2026-09-17T11:40:08.899602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028272observed 5ab913fbe7f4b5d7400aa6c6eb6425bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:08.875786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028272/manifest.jsonobserved 28121eb6e663e65db000e9dd6426e3f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.856470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028272/publication.mdobserved bdb044353f2d132657b8310ff5951cc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.835993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028272/publication.txtobserved 3c287f1e78baa8f3a3a8ff9befa51c38...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. |
|---|