OT-2026-000004638
Publication integrity record
Porous face vacuum gripper, per zone isolation, four outlet manifold, pump fed, pressure verified
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-2026-000004638) never changes.
Identity and time
| Publication number | OT-2026-000004638 · never reused |
|---|---|
| Internal UUID | 01a0a91e-7d94-74be-a55b-319ed353480b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:02.871126Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 39601f03c0c295c8f5302e448bf3f6c100e1b29d96b43a071665b2ca6306ad99 |
|---|---|
| Markdown | f75e7b83de242994fccd71ce51d0c8327dfe0c02e8ec4b8208c7d013f4e0f347 |
| Publication page | 0962e95aad941cce1d5d6ec50af7c3b67e2b9b4f99c2c52c5d360dc7710510f9 |
| Manifest | cc4172076d9582cab56c92fa6d2e12b193e6fdd26b12bb7715e61b2dc75a4112 |
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 | qOxfd0LOTWKhsHIcT506eWybMWb+izM1/daU1O712IJgQf/uZe5J0svjYbpeFrtsHX03DVtSJvB93mDXaUoMAQ== |
| 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
| 2026-09-16T07:30:06.411552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004638observed 0962e95aad941cce1d5d6ec50af7c3b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:06.400588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004638/manifest.jsonobserved cc4172076d9582cab56c92fa6d2e12b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.387853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004638/publication.mdobserved f75e7b83de242994fccd71ce51d0c832...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.373098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004638/publication.txtobserved 39601f03c0c295c8f5302e448bf3f6c1...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. |
|---|