OT-2026-000054431
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000054431) never changes.
Identity and time
| Publication number | OT-2026-000054431 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1282-7538-8bbc-9d7fa64ffa11 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 131095097e1985015a7f2e3e9db8eda944146dc0e2d2d8f0d5b2743f7ffb908c |
|---|---|
| Markdown | 2607656c8b85284ae27a71d34814cf53f23246a289fa871ad97b68eea038b4e1 |
| Publication page | f7b5d7152331c342ff90a57a495f91f0f538a6519aadd6091a2737950690a8be |
| Manifest | f6e46f7f1ad37526410302519bbc43b07a09f6f508372891df11842e55a1933f |
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 | bh4kp9KmnaQJLcAxbqhhdwToqPrTYORLBOTbinfmP9EXlzjhM7OOzSaaleXkSZxSvzS6FSZLX9uTnVIgTQCMCw== |
| 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
| 2026-09-17T10:53:24.840076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054431observed f7b5d7152331c342ff90a57a495f91f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:24.823155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054431/manifest.jsonobserved f6e46f7f1ad37526410302519bbc43b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:24.804841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054431/publication.mdobserved 2607656c8b85284ae27a71d34814cf53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:24.786771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054431/publication.txtobserved 131095097e1985015a7f2e3e9db8eda9...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. |
|---|