OT-2026-000030993
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000030993) never changes.
Identity and time
| Publication number | OT-2026-000030993 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7ed1-82a4-6433b5700dfd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030993 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c3d953626cee95d428dc0807831057fd0280ce9b89e075d92d12d60b13e2f47 |
|---|---|
| Markdown | 5510c17f09433a721597262d459a634a87933df4a4a8acfbafe565ad393e8c17 |
| Publication page | 1a77b5fefadd9a6be088dcf59cb1f51bf6fe453cbbe7efe1aaf794bea5587042 |
| Manifest | 21522d1e681585c8e5f35b30e09fd7ee6702c31359cbfe255478888e673d98cb |
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 | f/y5qC0mAyJmwR9z3+xXAhNXePuimKlupDtOLmrNFHhBbfJiqTbyVc7YvjJv/Rv3/fo6KXsnxLkuowClSVoUDg== |
| 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
| 2026-09-17T11:40:04.677552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993observed 1a77b5fefadd9a6be088dcf59cb1f51b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:04.657758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993/manifest.jsonobserved 21522d1e681585c8e5f35b30e09fd7ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.639250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993/publication.mdobserved 5510c17f09433a721597262d459a634a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.621867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993/publication.txtobserved 8c3d953626cee95d428dc0807831057f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.877627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993observed 1a77b5fefadd9a6be088dcf59cb1f51b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.859957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993/manifest.jsonobserved 21522d1e681585c8e5f35b30e09fd7ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.841683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993/publication.mdobserved 5510c17f09433a721597262d459a634a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:33.821372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030993/publication.txtobserved 8c3d953626cee95d428dc0807831057f...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. |
|---|