OT-2026-000056772
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000056772) never changes.
Identity and time
| Publication number | OT-2026-000056772 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af7-7550-95ea-67126458d13b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056772 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6347dade7f024a93006fc00cb17a8e12d9524d69249bccc666c4000bf4b575dc |
|---|---|
| Markdown | 8b04c963826166313a209b42bf3e586dfb0881aa46dc5400fbcba9687d31df2f |
| Publication page | 1d11a11bd1e1ab6176921ed7e840558882611ed8e1a52fd2b980421985b7b799 |
| Manifest | 53f81fdae3356572257386c19f9c3193f5278c57d3d43fa756366cb58be614d6 |
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 | pIuOFgObOD/V5PuY4f/1JeOEFtUu8bXBGz0itoRqFK94xWomK5GsWSaEw9ENQe3g6mbla4Zzh4/8LMXZkuJZCg== |
| 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
| 2026-09-17T10:50:14.774220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056772observed 1d11a11bd1e1ab6176921ed7e8405588...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:14.753770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056772/manifest.jsonobserved 53f81fdae3356572257386c19f9c3193...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:14.636119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056772/publication.mdobserved 8b04c963826166313a209b42bf3e586d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:14.615039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056772/publication.txtobserved 6347dade7f024a93006fc00cb17a8e12...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. |
|---|