OT-2026-000054939
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000054939) never changes.
Identity and time
| Publication number | OT-2026-000054939 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e7f-7cda-acc3-fe6647d199e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054939 |
| Status | PUBLIC |
Content hashes
| Canonical text | a22e5c3c2064c3a527acf34c2df0adfcba3cc7771ef466543202a98d42649738 |
|---|---|
| Markdown | 3fd65e539b8ed69f0ec6a79c23d7be49d5c0a4659dff651a9af12e49c43d8339 |
| Publication page | 6c3c2ab4fcf4f0b0c2faad2677e2a281a1212d9960bc99f6edec6ba003f0c8bf |
| Manifest | b4498a5e66712f6aea8e7ec214ecce0c5f9f6415c4299aa013278ee8297dcffd |
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 | fPI7Jff5J6AML0TwLIl5NAvSWWl8ySOaYzhOU6APO/emuaskV1wl31mjL+0DYX6i70Huq/haXjcxHz1b0n/YBA== |
| 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
| 2026-09-17T10:53:02.751044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054939observed 6c3c2ab4fcf4f0b0c2faad2677e2a281...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:02.733761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054939/manifest.jsonobserved b4498a5e66712f6aea8e7ec214ecce0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:02.715579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054939/publication.mdobserved 3fd65e539b8ed69f0ec6a79c23d7be49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:02.697721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054939/publication.txtobserved a22e5c3c2064c3a527acf34c2df0adfc...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. |
|---|