OT-2026-000005251
Publication integrity record
Bellows cup vacuum gripper, three zone face, three outlet manifold, ejector fed, pressure verified
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-2026-000005251) never changes.
Identity and time
| Publication number | OT-2026-000005251 · never reused |
|---|---|
| Internal UUID | 01a0a932-d300-7db9-8260-62c1289f2714 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:51:15.459370Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005251 |
| Status | PUBLIC |
Content hashes
| Canonical text | 40f386ff7a365cbd295c0531665edf971d105d823151ff001c4d4b2fbf5782a4 |
|---|---|
| Markdown | dec36bb3078bb4d8932040a9c9c95f7f504ba59e267c814e9197619f17d9f9c5 |
| Publication page | df7c8dd5fbeb5b1c4b0b1d7cd297309b6e29572215d40549914cf514f6de36fd |
| Manifest | 5374269352dbb862063d5b7c6c157bf1014c97f0614327976b419b2e9cbd7403 |
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 | /jCftGm1DUgXYp2saJ5Ics/GUP3ggXQii1xTPCVRTC52OAL7kU+bOEXXfy98JVo7s2vN+szLiy/5MDNSk+MRAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-10-07T20:41:21.127581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251observed df7c8dd5fbeb5b1c4b0b1d7cd297309b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T20:41:21.057908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251/manifest.jsonobserved 5374269352dbb862063d5b7c6c157bf1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:20.982025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251/publication.mdobserved dec36bb3078bb4d8932040a9c9c95f7f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T20:41:20.729072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251/publication.txtobserved 40f386ff7a365cbd295c0531665edf97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:28.428358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251observed df7c8dd5fbeb5b1c4b0b1d7cd297309b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:28.255609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251/manifest.jsonobserved 5374269352dbb862063d5b7c6c157bf1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:27.949219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251/publication.mdobserved dec36bb3078bb4d8932040a9c9c95f7f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:27.757488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005251/publication.txtobserved 40f386ff7a365cbd295c0531665edf97...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|