OT-2026-000056424
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000056424) never changes.
Identity and time
| Publication number | OT-2026-000056424 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd2-7df1-8208-4a15f0d4fa01 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056424 |
| Status | PUBLIC |
Content hashes
| Canonical text | 682fcdcbfa5602b7cb6b199f1a08a550f86f4d91b8d6dd0d1e14c4fa2cbaae82 |
|---|---|
| Markdown | 72228811c2ffb0bd4be8259afe66c0906dd4ef38cd892c220792687e4a3b7a02 |
| Publication page | 3954f1c77d0b4bf122503ca19fc572c7827c40ac62254d7b2b41cee728b5194b |
| Manifest | 284e8ea1a5ed9dd5bb4fde60858abed7b72f16d7fa544ccaf7cba357731afe31 |
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 | hix0fJKgTK8X+u5VPNTEh1+hO25KUGeZoKH4djK+SeW4WdhB0nWIwLGE1pTb2jwEpciQP0Mb6ZY4UGbA+9PcCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:57.391451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056424observed 3954f1c77d0b4bf122503ca19fc572c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:57.372967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056424/manifest.jsonobserved 284e8ea1a5ed9dd5bb4fde60858abed7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:57.356330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056424/publication.mdobserved 72228811c2ffb0bd4be8259afe66c090...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:57.338394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056424/publication.txtobserved 682fcdcbfa5602b7cb6b199f1a08a550...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. |
|---|