OT-2026-000074520
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074520) never changes.
Identity and time
| Publication number | OT-2026-000074520 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717b-792d-a50e-676d1f61efa3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074520 |
| Status | PUBLIC |
Content hashes
| Canonical text | dded483dd1dd97b784ef14b6942d5885ba8846c647b70cb09c40108406764a58 |
|---|---|
| Markdown | 6449041cbe0ab2e846cf09050bed0ba8ddfc7bba29127a8c6799cbb76acd84ba |
| Publication page | f0b14e40c50864ec271fe335c41b029cf24863f3e62a0d4deec5b3a2b88a483d |
| Manifest | 4e26199fc3573ba56ec264b1a0906fac4064d08c607607ec52db0d640faa3ebc |
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 | K69WQ7wjGZm4HJ0inkWsX+1M8T0S+bkzilEKrvfZ7ykkH9/pYGlu/6HNbWdOuoKVzOr58InRomqcYrtxog8kAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:19:29.852887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074520observed f0b14e40c50864ec271fe335c41b029c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:29.836698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074520/manifest.jsonobserved 4e26199fc3573ba56ec264b1a0906fac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:29.817339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074520/publication.mdobserved 6449041cbe0ab2e846cf09050bed0ba8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:29.798735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074520/publication.txtobserved dded483dd1dd97b784ef14b6942d5885...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. |
|---|