OT-2026-000021477
Publication integrity record
Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000021477) never changes.
Identity and time
| Publication number | OT-2026-000021477 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7553-9a89-88d16bd45da7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021477 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf84f1c3d0f0e8ed7e8bad65af6ff6631e0150c995af0b177f69194bc4fa67c0 |
|---|---|
| Markdown | 19a3e3bcb37ef64c17db466e3fcd49af8959742adbd5187b030dc15c5bce0de7 |
| Publication page | 12733ab115e1892ce0352022a70185429819fc830e4c4b89c5d862f49bc81541 |
| Manifest | 086b605af0562aa4cf71b805ab2443471fa9c95961a556b1e7f13bebc8c59983 |
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 | wF37vJkOh0ytOen2njf3n0ZJxx8fSHPShqTNcDPrsH8bK5VI9jf7vxBfO5QQ1YpJPs5jHUXLNU2NivFXfdQ+CQ== |
| 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
| 2026-09-17T11:54:48.346155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021477observed 12733ab115e1892ce0352022a7018542...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:48.326449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021477/manifest.jsonobserved 086b605af0562aa4cf71b805ab244347...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.304376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021477/publication.mdobserved 19a3e3bcb37ef64c17db466e3fcd49af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:48.266987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021477/publication.txtobserved bf84f1c3d0f0e8ed7e8bad65af6ff663...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. |
|---|