OT-2026-000073689
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000073689) never changes.
Identity and time
| Publication number | OT-2026-000073689 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8c-7788-895e-62817b4ba80e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073689 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba1c26d54a36369deb665ac9565cbf8adf5d98f4adb9604710f8be2ca50e2d63 |
|---|---|
| Markdown | 3555f671a03eac1693def9c0806e9af9faf83d4f27e95af955cfe568473a12be |
| Publication page | 99b51f30f2ad444dda58807da2d1533653cd7292e335bfb345902a68897154e4 |
| Manifest | 2bbd57eb05fab146feb6def63ab78b031c0df7241a6102139898e732a0263a20 |
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 | ZfjT4ufQDtjEjRkAWaPgSKignveC0ZDPzvTndNpL9eoFjkHEKTGKXLSIk5LFPGHY4XisBpu7iFy8bw0ATg5tCg== |
| 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
| 2026-09-17T10:19:45.088932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073689observed 99b51f30f2ad444dda58807da2d15336...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:45.069844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073689/manifest.jsonobserved 2bbd57eb05fab146feb6def63ab78b03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:45.049478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073689/publication.mdobserved 3555f671a03eac1693def9c0806e9af9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:45.005815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073689/publication.txtobserved ba1c26d54a36369deb665ac9565cbf8a...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. |
|---|