OT-2026-000032021
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032021) never changes.
Identity and time
| Publication number | OT-2026-000032021 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad3-7fa2-be5f-4a988c54bd8e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e3cde36d2692e861b2c08453a1f389e60544141890aaa2ffc0f66fddf2d4d9a |
|---|---|
| Markdown | f4a2d398a1fcd6cfc68c5d3ffea675644270a46c1055aba76ad88a4321afa6e4 |
| Publication page | 94f0c7e29b9f836f3574f6e1942fb24161665674429ea8584010eefd70087527 |
| Manifest | dfc33603af8414a27654db88f5f6f7ccfe835201ea1f4270d752dcd0a60657e7 |
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 | I5OFuywoKozm9GSD4Dutkt8OwdCW1Pb9cPAMicn5RgC//8IktXK1sKulpre1//0keM9aboezdLJi3TBzfaSzDA== |
| 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
| 2026-09-17T11:35:25.700605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032021observed 94f0c7e29b9f836f3574f6e1942fb241...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:25.682619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032021/manifest.jsonobserved dfc33603af8414a27654db88f5f6f7cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:25.663324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032021/publication.mdobserved f4a2d398a1fcd6cfc68c5d3ffea67564...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:25.644494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032021/publication.txtobserved 5e3cde36d2692e861b2c08453a1f389e...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. |
|---|