OT-2026-000020681
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000020681) never changes.
Identity and time
| Publication number | OT-2026-000020681 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7425-8f80-e2eaeaebc2c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020681 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3dcbe178e684bf2dd2c77e4aa5140bde70c42a7a7c2d8a108473d771bfebbcb5 |
|---|---|
| Markdown | 3a3bb30e74cbdd460339147bae324be99757f78b651b1104dbf56df1df3bb742 |
| Publication page | ea49cb7fbad94f0eb95402fd46c3bbce0ed5ec677bcb1b471cd0ff36beeb087f |
| Manifest | ff4f0e8aded36e967e62cf7de9ebcccf55ead04ebe45ef2eafb583f350a0a1ab |
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 | MvP9l+DixnxqYFvUI8PhnGlBPV5rQ6rKakGTfitHDXCO6r4XNokO+N5pxgTZq8NPT4ZpnPzfdiGED16hUBxwAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:43.184993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020681observed ea49cb7fbad94f0eb95402fd46c3bbce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:43.162629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020681/manifest.jsonobserved ff4f0e8aded36e967e62cf7de9ebcccf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.144002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020681/publication.mdobserved 3a3bb30e74cbdd460339147bae324be9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:43.122958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020681/publication.txtobserved 3dcbe178e684bf2dd2c77e4aa5140bde...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. |
|---|