OT-2026-000075516
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075516) never changes.
Identity and time
| Publication number | OT-2026-000075516 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f202-7338-9f6a-2efff06cbe49 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075516 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b47c568e0bd55c73d02f30daf42c1cad8b112ab3e8ab6fe0e5ca910791c7b3d |
|---|---|
| Markdown | e44f45a72f9a9095dde122cd1d5e994d3d653e27530811dfc845ee7cf682ca19 |
| Publication page | ce58eae715e311be6ccda2d0aaac23cd15519882f20fecdc51913f575098e431 |
| Manifest | 7f43658a0609ec50bc3a01f5227d2191c2cc68d30f17cbb68c2615871d905a5c |
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 | hJhcwVfH/JKm4dLfHBQWbWsjW2V/htVYd3rEd9I+shi73iWWkwn3QtytZcLYfxRfQCwd/kKRAP0crUau5s4JCQ== |
| 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
| 2026-10-17T16:41:37.208069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516observed ce58eae715e311be6ccda2d0aaac23cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T16:41:37.155724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516/manifest.jsonobserved 7f43658a0609ec50bc3a01f5227d2191...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:37.108046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516/publication.mdobserved e44f45a72f9a9095dde122cd1d5e994d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T16:41:37.055134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516/publication.txtobserved 7b47c568e0bd55c73d02f30daf42c1ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:11.870178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516observed ce58eae715e311be6ccda2d0aaac23cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:11.783771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516/manifest.jsonobserved 7f43658a0609ec50bc3a01f5227d2191...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:11.681611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516/publication.mdobserved e44f45a72f9a9095dde122cd1d5e994d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:11.519502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075516/publication.txtobserved 7b47c568e0bd55c73d02f30daf42c1ca...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 |
|---|