OT-2026-000021488
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000021488) never changes.
Identity and time
| Publication number | OT-2026-000021488 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-783e-9de5-ef93ea2ee6df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021488 |
| Status | PUBLIC |
Content hashes
| Canonical text | a28da2f61ec2836cb8e9be552ddad2fc49c731ff3cc0bf004c0cc017276ddef4 |
|---|---|
| Markdown | 24f5dac265220f4c33ea7dd72af588e037b02bc574542888ad5bb4a2610fff33 |
| Publication page | 955c257bf408e615a2369d00c4b38a6c117f0b21ac21fe7390e348826268dd12 |
| Manifest | 82da9ec344d677d6b72f4eb8412e08b4623f7aa5ca90d26dce07843a7a84a84e |
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 | mpK3SUa/UWnqklN0L+rUXZ0qKqQ/nnGtZZJMusOaPhzFSWyGAZa2IAdihBowBjyqYvvNyAHWwnAf0ScpjfE3DQ== |
| 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
| 2026-09-17T11:55:24.245689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021488observed 955c257bf408e615a2369d00c4b38a6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:24.227456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021488/manifest.jsonobserved 82da9ec344d677d6b72f4eb8412e08b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.204447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021488/publication.mdobserved 24f5dac265220f4c33ea7dd72af588e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.186927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021488/publication.txtobserved a28da2f61ec2836cb8e9be552ddad2fc...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. |
|---|