OT-2026-000055891
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000055891) never changes.
Identity and time
| Publication number | OT-2026-000055891 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a49-7e20-bd8b-df5b3e6dae9f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0622531f233a7ad57a1533f567b1bb72eaa05b4e914b5682beb387afc06c1c32 |
|---|---|
| Markdown | ebd207f464a484116b66731013574aa6f8b72930044af5fae9cc03ae784a3311 |
| Publication page | 4637130dac51379d8c6712c7c7b22c230fc851ab649937740908e70adf6683c7 |
| Manifest | b18f28d0b8862d13018ec9d0445ab1f444af2f44fd36d8e2bc49f6be0b5cc69d |
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 | +seB5ssV4M8SMZiLJi1FTQuukJg1s6ErgrORca/U+cIlWXG90O85Df/Xmbu1az6Ec/5LK3ufIXQIgrkHx3zHCw== |
| 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
| 2026-09-17T10:51:17.702397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055891observed 4637130dac51379d8c6712c7c7b22c23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:17.686275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055891/manifest.jsonobserved b18f28d0b8862d13018ec9d0445ab1f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:17.670738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055891/publication.mdobserved ebd207f464a484116b66731013574aa6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:17.652687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055891/publication.txtobserved 0622531f233a7ad57a1533f567b1bb72...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. |
|---|