OT-2026-000080928
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000080928) never changes.
Identity and time
| Publication number | OT-2026-000080928 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b975-76c6-b3de-83b2575f1d52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c98d25ed5c44d1866f8ad756578c0d6797c82b94616233239abe6738411d520 |
|---|---|
| Markdown | e2672df60cd16156f387c48aa7bb237c4b657c6a03eb67ad939a37ea5f996250 |
| Publication page | 0cf1a4af3f9584a6222db97ac5cf83a1f15d5652a9a9c07367594e1fc717f082 |
| Manifest | 74452340f928d0c8c9c1992713bbb50d5eb8e71dbca797b9b949572aa71969ff |
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 | PB4Lp8gvnaZyc1fV4ZBrSBCv3W4RanNrGdeWL3GZ4cBCUcARBJP9Y7CFmveLDy6XhOBvPepAZREU++g/b2TnAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-22T04:42:55.476886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928observed 0cf1a4af3f9584a6222db97ac5cf83a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T04:42:55.389221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928/manifest.jsonobserved 74452340f928d0c8c9c1992713bbb50d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:42:55.251900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928/publication.mdobserved e2672df60cd16156f387c48aa7bb237c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:42:55.152382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928/publication.txtobserved 7c98d25ed5c44d1866f8ad756578c0d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:29.922487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928observed 0cf1a4af3f9584a6222db97ac5cf83a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:29.835120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928/manifest.jsonobserved 74452340f928d0c8c9c1992713bbb50d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:29.668855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928/publication.mdobserved e2672df60cd16156f387c48aa7bb237c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:29.470708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080928/publication.txtobserved 7c98d25ed5c44d1866f8ad756578c0d6...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 |
|---|