OT-2026-000013920
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000013920) never changes.
Identity and time
| Publication number | OT-2026-000013920 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-72c0-92b4-46057086b6f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013920 |
| Status | PUBLIC |
Content hashes
| Canonical text | bfa8da77a99835526c81c57ad8291bb93943aee36e3e1c36a8717930474e5599 |
|---|---|
| Markdown | e8c8a7bf49a6e21a0aea78fa62cdfcc3eac15ac825d5a2c8a73fc017138bee0c |
| Publication page | bc91e53afc4f00e1232f09e06e30db9ea12f3f8fc01b45174b9ae30cefb93cb9 |
| Manifest | 56cdc54573f23e903310ccad4ef9ed1c888c5f3c88e78d063f5c95e2bea9105a |
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 | ZIUrPX+9B6C3Kw/ZJzj95gQwE7U8uBbCl7CjqFy1JmHei7Kq7/zPt4siG0NnXHtmptBIZsHAEW6mCN+lP484DA== |
| 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
| 2026-09-17T12:09:03.219124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013920observed bc91e53afc4f00e1232f09e06e30db9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:03.199934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013920/manifest.jsonobserved 56cdc54573f23e903310ccad4ef9ed1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:03.179714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013920/publication.mdobserved e8c8a7bf49a6e21a0aea78fa62cdfcc3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:03.161854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013920/publication.txtobserved bfa8da77a99835526c81c57ad8291bb9...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. |
|---|