OT-2026-000020817
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump 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-2026-000020817) never changes.
Identity and time
| Publication number | OT-2026-000020817 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-786b-8b3d-d85d24b7a13d · 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-2026-000020817 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba8a374f9e324ba43e47428c092e81b660d36a345d5e63ff7ddb1065a2e2a815 |
|---|---|
| Markdown | e91e6e29cd11cecdfdced1f82594c72147f8f73c5bfc3f23c689d4326b28bede |
| Publication page | 5bf4114dd519d37878fff9cca99f2d767fef51fca03c8a9032d81c89fb66f82e |
| Manifest | d17de28705aee5d7adb136de7a86584273258bc362ecbac6314725aef14dd51f |
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 | 9ZErpKKfTzzOKTl483mNHRkF9pRs9XXORcTCSycG4z7ZpHAPYZQT/45GRqg93t/e8TYHLjEUb2Hxa5JcgEfmBw== |
| 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
| 2026-09-17T11:55:54.541994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020817observed 5bf4114dd519d37878fff9cca99f2d76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:54.525289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020817/manifest.jsonobserved d17de28705aee5d7adb136de7a865842...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.507411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020817/publication.mdobserved e91e6e29cd11cecdfdced1f82594c721...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.488492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020817/publication.txtobserved ba8a374f9e324ba43e47428c092e81b6...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. |
|---|