OT-2026-000042916
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum 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-2026-000042916) never changes.
Identity and time
| Publication number | OT-2026-000042916 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7baf-892e-fe3d8e80e2a8 · 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-2026-000042916 |
| Status | PUBLIC |
Content hashes
| Canonical text | 424a9ef01b20194a440944d7f36cef1f180149e3023b725021dc15a6d03a631f |
|---|---|
| Markdown | d0f084d3b218a30f32ccec504c3d0cb5466afa2e75053692cfb65c0f12fa6e78 |
| Publication page | 320e838da2bd56fbf7545bba7aebf4797957754b2da5f8ec8dce089b9f7c7007 |
| Manifest | 0603d921474b95757053b827ff82d135fbd3ea1b79d8f1a0d4422cfde8adb6e5 |
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 | EbF8Nb9I+VrIxr4WJzf5Mr3pQDGjuTCE/K7cJKSfj+qzmrFTN6oOV2AdyhH03u9JjwyhCZfaMWbH6d5D+7kWBw== |
| 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
| 2026-09-17T11:15:25.831303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042916observed 320e838da2bd56fbf7545bba7aebf479...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:25.810184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042916/manifest.jsonobserved 0603d921474b95757053b827ff82d135...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:25.788248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042916/publication.mdobserved d0f084d3b218a30f32ccec504c3d0cb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:25.768727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042916/publication.txtobserved 424a9ef01b20194a440944d7f36cef1f...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. |
|---|