OT-2026-000004700
Publication integrity record
Porous face vacuum gripper, three zone face, four outlet manifold, ejector fed
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-2026-000004700) never changes.
Identity and time
| Publication number | OT-2026-000004700 · never reused |
|---|---|
| Internal UUID | 01a0a920-92df-7b87-9653-3c2cb8341621 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:19.394187Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004700 |
| Status | PUBLIC |
Content hashes
| Canonical text | 055720fea8284fca179a90bf8ff992e03c41837e35a201f522c9bcbaa3a942bb |
|---|---|
| Markdown | 159f573a3deb93946bfddb5c0fdd0c70fa168e3372e079c3498c14a319e9ba71 |
| Publication page | fbde0331e7424e1fc2ff6ea1d99e2a674625fde00f612ad20acc6d30b130ca5f |
| Manifest | 5f108459282781589dc4b54b7ac3bbd805f6ece2313fa8686e8ca8394d807168 |
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 | 9WIXFdbcFxZulCa8Lbn+zHhR6ybqzK+27teTK+cVMTJ1IWXttcTTpdbaF+9tZuj4W5hgaNlUoCON9PeNgLTyDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:28.185712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004700observed fbde0331e7424e1fc2ff6ea1d99e2a67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:28.172697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004700/manifest.jsonobserved 5f108459282781589dc4b54b7ac3bbd8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:28.160803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004700/publication.mdobserved 159f573a3deb93946bfddb5c0fdd0c70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:28.147732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004700/publication.txtobserved 055720fea8284fca179a90bf8ff992e0...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. |
|---|