OT-2026-000042924
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000042924) never changes.
Identity and time
| Publication number | OT-2026-000042924 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7562-8e46-8228df32ceac · 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-2026-000042924 |
| Status | PUBLIC |
Content hashes
| Canonical text | e053af9f76bcab294187aeefd22de5b172fa9788763987415bbda61d1bc17824 |
|---|---|
| Markdown | bbdca78fe1674e2a97cb6d918183b9c42f14a01b7425123cec513825e5ae4826 |
| Publication page | e6b8bec025bf9a6d17ff9284de4203446de4f27aef705aad24ad21618a47c556 |
| Manifest | b4d0a852436f79b46ccd550291b4347f5fab01d043a4e28790ccfe6bd20939dc |
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 | VDfApi464tIuCQVc4S+kBSoyBHzLqOq0gR5z1mLc3IotVxJ2257FB1HERF52r8DXolfzkF2LqNwA6sFdnleHBw== |
| 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
| 2026-09-17T11:15:27.004224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042924observed e6b8bec025bf9a6d17ff9284de420344...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:26.982288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042924/manifest.jsonobserved b4d0a852436f79b46ccd550291b4347f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:26.961113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042924/publication.mdobserved bbdca78fe1674e2a97cb6d918183b9c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:26.944069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042924/publication.txtobserved e053af9f76bcab294187aeefd22de5b1...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. |
|---|