OT-2026-000021251
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed 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-2026-000021251) never changes.
Identity and time
| Publication number | OT-2026-000021251 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7950-91a8-1a6e3bdcf249 · 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-2026-000021251 |
| Status | PUBLIC |
Content hashes
| Canonical text | ae8e855d15367488c2cfc40804c0516806f14825093b7a985341986c82f1f5f0 |
|---|---|
| Markdown | d018a7779dc60489bcfdb72addbc921a51b4916a08a4b1b771bea89c65005747 |
| Publication page | 7c5781986db3903d957aec5c8f4fe0a2386ce0bd35b94e4d3ce3989a79c09688 |
| Manifest | 505f0df922471a08894228ce1f54c91ec336408da46356f915c8a79842c53a7f |
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 | jBPXJOiBk60sRnaxPEp9HUd8J0hKCIFXbf4y9MGX5djNf6zkRmFIcsILkeKRoF/6ziWPj625Z9LEbjBRpdGcCQ== |
| 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
| 2026-09-17T11:55:04.103302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021251observed 7c5781986db3903d957aec5c8f4fe0a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:04.083896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021251/manifest.jsonobserved 505f0df922471a08894228ce1f54c91e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.064604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021251/publication.mdobserved d018a7779dc60489bcfdb72addbc921a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.043651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021251/publication.txtobserved ae8e855d15367488c2cfc40804c05168...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. |
|---|