OT-2026-000013748
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000013748) never changes.
Identity and time
| Publication number | OT-2026-000013748 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7f90-a218-6a1f1039cc16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013748 |
| Status | PUBLIC |
Content hashes
| Canonical text | 94b3c0b0d73d994ab18a8d0f29994b820bd26f3c497a142aea13685b2344dc6d |
|---|---|
| Markdown | 5c1e0885289a506b7ed19ffb8f587ab4a8bfae98a9930421565a0984349b4771 |
| Publication page | efa012003a83befb5c38e1f8fbb32e83ac6ad6f05e615771e09f2e09dd50c5e0 |
| Manifest | 4b57e29279965139500f60142253fa6e9abdf988862c12943be9e2b515edac2c |
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 | AUEUAIRrWCBidqP7GRHHpAiyQZ2kjjevZSDMQdLUwKyYB4Vz+pYh2sdKNla/TY8i6W238f4mi/Zv+u5Iqs0FAA== |
| 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
| 2026-09-17T12:08:49.022464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013748observed efa012003a83befb5c38e1f8fbb32e83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:48.999660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013748/manifest.jsonobserved 4b57e29279965139500f60142253fa6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:48.978871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013748/publication.mdobserved 5c1e0885289a506b7ed19ffb8f587ab4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:48.958260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013748/publication.txtobserved 94b3c0b0d73d994ab18a8d0f29994b82...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. |
|---|