OT-2026-000029860
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained blow-off 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-2026-000029860) never changes.
Identity and time
| Publication number | OT-2026-000029860 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-72e1-85ac-3df9d7ad33ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029860 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1ad109f5c07d131b2e663b6d6229485a9270d45a994374ecd1e0f3d43618dc7 |
|---|---|
| Markdown | 245f7fc677d9861b2342df3fb9a298eb352864812c98b7fc8216850e24d558d4 |
| Publication page | f1780edc03376240839878872ced198e7a36aac6cc758c6260fa1ab2c93fc693 |
| Manifest | 8ac0f90ea76f8feab2f239231de6bea412c2a5740c057cf6b01189032d347a89 |
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 | GIboTgUCo/v1SBYkFnoLRA5nAqBG6kbGkkZQhdZOtKAYM4HMDbSt7rl6CV9THN3e65KeQdQWMToWdXP4VDpUDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:38:28.866461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029860observed f1780edc03376240839878872ced198e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:28.836109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029860/manifest.jsonobserved 8ac0f90ea76f8feab2f239231de6bea4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:28.816800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029860/publication.mdobserved 245f7fc677d9861b2342df3fb9a298eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:28.787177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029860/publication.txtobserved e1ad109f5c07d131b2e663b6d6229485...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|