OT-2026-000076200
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000076200) never changes.
Identity and time
| Publication number | OT-2026-000076200 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a6f-77e4-a6ce-f0c56409a090 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076200 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a16d26970e071b8e28932910d6fc492559517c14f2544aed9569b50f3e04a33 |
|---|---|
| Markdown | a934ae5f090f12c25687c871932626c7fd16a7d0e63a3b839e99d3c5a8cc004c |
| Publication page | ccb540c2e5b9e8dbf3c1e1eee5e8c32677f19dd5a5e2fc282076d32e536d7e5f |
| Manifest | e5e5f3fa5011868a2c9f928c92ed6d587775660b45869ea4a4773a973264d16c |
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 | 4iAz0RxO48MJVlrJoRJFGpdieKkwLgfcLwsudijgI8TiN4zQoNODaXMamKI3opW8oEmrudzgvCKrS3kXzTSRAA== |
| 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
| 2026-11-04T00:42:05.949674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200observed ccb540c2e5b9e8dbf3c1e1eee5e8c326...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T00:42:05.879582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200/manifest.jsonobserved e5e5f3fa5011868a2c9f928c92ed6d58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:42:05.831208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200/publication.mdobserved a934ae5f090f12c25687c871932626c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:42:05.747400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200/publication.txtobserved 4a16d26970e071b8e28932910d6fc492...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:22.301950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200observed ccb540c2e5b9e8dbf3c1e1eee5e8c326...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:22.218743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200/manifest.jsonobserved e5e5f3fa5011868a2c9f928c92ed6d58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:22.123340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200/publication.mdobserved a934ae5f090f12c25687c871932626c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:21.972174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076200/publication.txtobserved 4a16d26970e071b8e28932910d6fc492...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 |
|---|