OT-2026-000042808
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000042808) never changes.
Identity and time
| Publication number | OT-2026-000042808 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-798c-ba3e-494a2a54aa75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042808 |
| Status | PUBLIC |
Content hashes
| Canonical text | 905fee0e897723eca36bfc56b21645a960327c8fdb3eb4502053cc96f31a9c59 |
|---|---|
| Markdown | 3d1405d334daed6be9c1f5c6bd55c656f96ac29678d1d6faf1df0a4ad3b924c4 |
| Publication page | 2ec030caebc4a8c43a08c7d74559bf1e099b6adcac895093afb679b663c5d9b1 |
| Manifest | 1b883d05f9bf88be0e8c0997d82d06e53d85d024b13bf15f9e5fe7dea4dd8c3b |
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 | 6s50y3coqsPQBjpttMbwCqw4aL09OOgJHR/GT54x68ObuJKNaC23m3mAcKIdy1oqG8onpFegR6FcevaUxJQEAg== |
| 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
| 2026-09-17T11:15:16.972920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042808observed 2ec030caebc4a8c43a08c7d74559bf1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:16.953148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042808/manifest.jsonobserved 1b883d05f9bf88be0e8c0997d82d06e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:16.931975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042808/publication.mdobserved 3d1405d334daed6be9c1f5c6bd55c656...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:16.910818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042808/publication.txtobserved 905fee0e897723eca36bfc56b21645a9...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. |
|---|