OT-2026-000015492
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off before set-down
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-2026-000015492) never changes.
Identity and time
| Publication number | OT-2026-000015492 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-7853-b136-55cfed2ce8cd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015492 |
| Status | PUBLIC |
Content hashes
| Canonical text | 22242f0ced93d74e66d4c1dbd65e3da47ecd4691f240606ba2ffb89d630ab9ab |
|---|---|
| Markdown | e55177b71500a3aa226594eca7f9e30fb9f403eea715f378224546095731fdb0 |
| Publication page | 7d91e4b006ca0e1ba3d5581efb4769eee7d58812dc8f2f8831c836a40f0c7138 |
| Manifest | ced29e5c79833af7a4779313ef83e80ef5fd41f936068aa0c4d1d609c7bf5162 |
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 | JgC75cQ2zhea6LVRDWyhPUUW2vzsjgl10kxNe3JckGvwJ1PiwDWLRGNEhDHiPj++IbK2e3f0+1avACoodOeTBQ== |
| 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
| 2026-09-17T12:06:15.395109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015492observed 7d91e4b006ca0e1ba3d5581efb4769ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:15.376447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015492/manifest.jsonobserved ced29e5c79833af7a4779313ef83e80e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:15.357891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015492/publication.mdobserved e55177b71500a3aa226594eca7f9e30f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:15.336526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015492/publication.txtobserved 22242f0ced93d74e66d4c1dbd65e3da4...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. |
|---|