OT-2026-000055531
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000055531) never changes.
Identity and time
| Publication number | OT-2026-000055531 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-705d-bf00-69754c31a838 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21718cf49788c3130d92ebe6c3c526a7e541225293008cd1ed2462962f3effdd |
|---|---|
| Markdown | b7b054f59bbd5d3714d5d680cdba677539734315a179a1f53d4ce09d080a7026 |
| Publication page | 2ed6c18354b4ea4db0b83a1341949f1989cb27d81f73bea5f3c6a501f36af959 |
| Manifest | d92160daf8643a3a416657525387ff89522fdace7ffbbf23e259dc07c09f31e1 |
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 | wkVdVOOjJ4a9Qpz0aAAxtfl7roY6uQ9LmKGW+OKPqFGo+ud0z7N7JmgvByo5y88gZnWE9OSJnLGlcYwydCAZCg== |
| 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
| 2026-09-17T10:52:12.625889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055531observed 2ed6c18354b4ea4db0b83a1341949f19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:12.604403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055531/manifest.jsonobserved d92160daf8643a3a416657525387ff89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:12.585890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055531/publication.mdobserved b7b054f59bbd5d3714d5d680cdba6775...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:12.567759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055531/publication.txtobserved 21718cf49788c3130d92ebe6c3c526a7...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. |
|---|