OT-2026-000019419
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000019419) never changes.
Identity and time
| Publication number | OT-2026-000019419 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-74dc-92fe-6ff39399b9e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019419 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f9869fa3cc4b2f6c4cf6e081b06cfda53e6cd6300632ed9d45b81191061d84f |
|---|---|
| Markdown | 6ac48936d028d4a1d0abd3b690a0cbf2a081f9ce3a5c64f4d4b73606360b0994 |
| Publication page | 822d58501da7071c663dfee537c7548561d49a397871aa29eaed090d07229056 |
| Manifest | 978a3d42961119066c16ffdd1802dbd937a2478dcb3a780f2108ddf1a05cce37 |
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 | 6j7/fN+i0M9mzdkKTHp+TnlR6Qltr1DGdOKBNWv/7jrpb6iu99BakpSeQgiv86bBZoI7BJteY2jF/+IMwI9CAQ== |
| 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
| 2026-09-17T11:58:48.641905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019419observed 822d58501da7071c663dfee537c75485...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:48.624843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019419/manifest.jsonobserved 978a3d42961119066c16ffdd1802dbd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:48.606772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019419/publication.mdobserved 6ac48936d028d4a1d0abd3b690a0cbf2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:48.588969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019419/publication.txtobserved 6f9869fa3cc4b2f6c4cf6e081b06cfda...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. |
|---|