OT-2026-000056432
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-2026-000056432) never changes.
Identity and time
| Publication number | OT-2026-000056432 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd2-7805-b08c-db900845c323 · 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-2026-000056432 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cfb790062079d3a91e320ee5a818f3fb514f0e6025e392e9c583ff0ead06ec9 |
|---|---|
| Markdown | e9ab0c28a3beb83a808e9a53145b345777abf07c839d891b8d2e364f853d85f2 |
| Publication page | c131542d4ab060804203fc31a90f0af5c891c62fe4625d5721ea912ebd71fe1c |
| Manifest | d6761aae41acbb13104ab1d1df37fca16aaf426139364e819c7c87ba8bf0c000 |
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 | MbeznlYeSgeEkc9slLTfybAZ2Io8AcgYk+Y0U4/afp/F4MZ12aGB/FLRcJGN/oUAo7gpIw5PGar0h0sBjbEJDg== |
| 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
| 2026-09-17T10:50:57.895174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056432observed c131542d4ab060804203fc31a90f0af5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:57.876804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056432/manifest.jsonobserved d6761aae41acbb13104ab1d1df37fca1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:57.858576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056432/publication.mdobserved e9ab0c28a3beb83a808e9a53145b3457...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:57.840093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056432/publication.txtobserved 7cfb790062079d3a91e320ee5a818f3f...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. |
|---|