OT-2026-000055227
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000055227) never changes.
Identity and time
| Publication number | OT-2026-000055227 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a0ff-7d05-b5a0-c15f7bad58c1 · 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-2026-000055227 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a97311c058f9e4321acb40b63ec2727302daf279523b7ce1f003e9e93beb7d9 |
|---|---|
| Markdown | 3d7c37837de014c0d304f96ce4a1d49b3398e6b5e2af4d04a3009ec23e8b7eb0 |
| Publication page | a263911dfd5aa64b8632313f8f70c7ff191748d251eff6c0e7c70c7652327f75 |
| Manifest | db46b1b9d2fc86c8f77c20547d9d064b6b7e0ebb3613368f661b2a31a196c0a3 |
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 | 37/aY/E2ePoemANtJGxQDhrhMgBVwkmMpQVQ6CEO3HQA5EIJG2tRZfagji5vhJVg+KgAm2C9lU8SreXz91N/Aw== |
| 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
| 2026-09-17T10:51:48.469147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055227observed a263911dfd5aa64b8632313f8f70c7ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:48.452136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055227/manifest.jsonobserved db46b1b9d2fc86c8f77c20547d9d064b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:48.432862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055227/publication.mdobserved 3d7c37837de014c0d304f96ce4a1d49b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:48.417010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055227/publication.txtobserved 4a97311c058f9e4321acb40b63ec2727...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. |
|---|