OT-2026-000021259
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-2026-000021259) never changes.
Identity and time
| Publication number | OT-2026-000021259 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-78ef-a61d-124a2b88d33b · 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-2026-000021259 |
| Status | PUBLIC |
Content hashes
| Canonical text | f74388ca1dc903caac30b72006748c7b9e06706b4f9b1e39d3c0653b69102e8e |
|---|---|
| Markdown | 32a570c38d2e63a88c565fbbb93ef7122171a1e137fce68839a0cc5f6f95c1a7 |
| Publication page | 0d72723d30b188bc08f2cf0e4144eb268c305746fcb397a18c9d9dd533fd4be2 |
| Manifest | 414dfd0c7741d8c69ba11573a577cc4222dfd77b48fea0a1d411538046e55638 |
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 | OldBUDiIpv0zJi7kVNiH8ATyCR4btSm533xB9OsrbLH16/HJDBYB6WlLL4b0rsZeNRqq4Yx+7QxT95pN1ra+DA== |
| 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
| 2026-09-17T11:55:04.977795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021259observed 0d72723d30b188bc08f2cf0e4144eb26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:04.959779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021259/manifest.jsonobserved 414dfd0c7741d8c69ba11573a577cc42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.942801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021259/publication.mdobserved 32a570c38d2e63a88c565fbbb93ef712...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.924364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021259/publication.txtobserved f74388ca1dc903caac30b72006748c7b...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. |
|---|