OT-2026-000015508
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-2026-000015508) never changes.
Identity and time
| Publication number | OT-2026-000015508 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-7f6f-a1c6-8106b94f73dd · 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-2026-000015508 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4d093ef93a296e40795be1aac545dc058fbe47dd1c2f209161dc9ed89959876 |
|---|---|
| Markdown | fe184c903e49cbd5b4606296cade7164f2f26ff62d673c6b1e35630a19207a63 |
| Publication page | bec5a682c810ece862f9fa4cc9157774c847076c0e360700a664c546ea293355 |
| Manifest | 84f3d9c7f1d5bf20c0bad483148aa1d7bcf09863876a0d04806ef907b2d8a40c |
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 | U5+rCLpbk8hjZdZTII17nmruo1lBe+S1lNADWAFUHqqS+DOl2He0t02cp3liZsGvFJ0K4mkr28WGlNmyssKLBw== |
| 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
| 2026-09-17T12:06:16.652913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015508observed bec5a682c810ece862f9fa4cc9157774...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:16.629716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015508/manifest.jsonobserved 84f3d9c7f1d5bf20c0bad483148aa1d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:16.610104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015508/publication.mdobserved fe184c903e49cbd5b4606296cade7164...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:16.591447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015508/publication.txtobserved f4d093ef93a296e40795be1aac545dc0...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. |
|---|