OT-2026-000052721
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000052721) never changes.
Identity and time
| Publication number | OT-2026-000052721 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7aa0-a829-f561eafa50e4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56e3ab966a42d80b41296d988290e3e3ebca029886af8ca9f47b9a53178e87b6 |
|---|---|
| Markdown | 5dec322527560002df686c2c553c5f1059a7aecd7ba6dab1eccdbb01a54f4a54 |
| Publication page | 935053a8e048a599223ef8b257f99fe49a48ec01195133c6bc0a3d03de46a09b |
| Manifest | b1cede9a06929345ad0ee1318f2204a05dec8e96028957c7067b080ee80f223f |
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 | T+xKcsFhKSMdadHpJzITdFAyZ+SE/ucyBtVAhOIOrpFlNPqN8zb9ASA3o3ED1mEkX5XVpxFjQ706RsWWYWICBQ== |
| 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
| 2026-09-17T10:55:42.748088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052721observed 935053a8e048a599223ef8b257f99fe4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:42.730657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052721/manifest.jsonobserved b1cede9a06929345ad0ee1318f2204a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:42.712915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052721/publication.mdobserved 5dec322527560002df686c2c553c5f10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:42.692843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052721/publication.txtobserved 56e3ab966a42d80b41296d988290e3e3...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. |
|---|