OT-2026-000077728
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000077728) never changes.
Identity and time
| Publication number | OT-2026-000077728 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ecf-7f6c-8a87-5efe902a1ef4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3d7c97ab985c7c0b1ef8ff13e60b9224e173e85cd5f3ca173f25ca0dc44ea828 |
|---|---|
| Markdown | 364fe060f5ad5bedf73304466893d2c474e2aa04a66aaaee50716c0be315959e |
| Publication page | f99c413679748e211b4ed24b0e8805ea663306a2dd5380b2128108ac900a7c20 |
| Manifest | 9b82c581e4685fb9cfb43438f052bf0a61ecf7a0df2a60221d0297942055eade |
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 | vuwKbr9tkMkwjqbxasMTeDd9FOlMpP+myeLTvAokHkFdZGzSmJutS47iH0CCFZoiKVijEsD1RROVVaSonYiKCQ== |
| 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
| 2026-10-22T20:41:36.134961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728observed f99c413679748e211b4ed24b0e8805ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T20:41:36.075033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728/manifest.jsonobserved 9b82c581e4685fb9cfb43438f052bf0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:35.876869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728/publication.mdobserved 364fe060f5ad5bedf73304466893d2c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:35.769626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728/publication.txtobserved 3d7c97ab985c7c0b1ef8ff13e60b9224...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:40.468425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728observed f99c413679748e211b4ed24b0e8805ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:40.269400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728/manifest.jsonobserved 9b82c581e4685fb9cfb43438f052bf0a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:40.149376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728/publication.mdobserved 364fe060f5ad5bedf73304466893d2c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:39.914541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077728/publication.txtobserved 3d7c97ab985c7c0b1ef8ff13e60b9224...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 |
|---|