OT-2026-000081728
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081728) never changes.
Identity and time
| Publication number | OT-2026-000081728 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f73-7131-a413-c895231ecfd4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:50.648824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081728 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba715b4c2f11b093817633c34a8bfd2b4e5844dd9b35ced508a9f2072dcaf5d1 |
|---|---|
| Markdown | f2c23266e5ce21afba664ead384425692d9fb087e5f9ffd2587660c5868ecb52 |
| Publication page | 5c57f3acddf45c9753846642ddfbf97fd68a5ccc94a8d631c82d42bc51440d50 |
| Manifest | a7cb398a02a77a78cb40da1f4121c01ac923bbacfff6d6d7f4d81a9154aafd33 |
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 | VcxOOD5dXjZA3Tvfev+QDhEQ9UTyADQnPDFxt2a17r5mXXUoYbIsKageUy+LgKU66G9mequUYJ6axCYt3WJTCw== |
| 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
| 2026-09-17T09:59:48.413504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081728observed 5c57f3acddf45c9753846642ddfbf97f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:59:48.394419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081728/manifest.jsonobserved a7cb398a02a77a78cb40da1f4121c01a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:48.374091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081728/publication.mdobserved f2c23266e5ce21afba664ead38442569...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:48.354344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081728/publication.txtobserved ba715b4c2f11b093817633c34a8bfd2b...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. |
|---|