OT-2026-000004004
Publication integrity record
Bellows cup vacuum gripper, three zone face, two outlet manifold, pump 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-2026-000004004) never changes.
Identity and time
| Publication number | OT-2026-000004004 · never reused |
|---|---|
| Internal UUID | 01a0a90c-a7c3-79a8-a0e7-72b38f25f24a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:34.022416Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004004 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13c8809285ef7b496be68ceaff926e9b3b9e608bfe6597f257676edc7df23114 |
|---|---|
| Markdown | b6a75be7c6b51c0be3e5b2ebab0383f0969d4ac960c4aeb9e072cbe735af3c78 |
| Publication page | b7883da23e78a6b3d774f0d73cbf991adab28c71e6ee1f28b4e9f20e62964673 |
| Manifest | d1182ea615974752d69c6dd01d6ed9829b0d9d0d08bf2ef6306cb9074974bd6f |
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 | I0GzoCZxccm5rWVEl8matZnTYUmv8qdQBx5OXRxIpS3yOgniSfO1MRCFcM/A9qw7ayKvN+FiXRkEeUVKBqazBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:06.908255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004004observed b7883da23e78a6b3d774f0d73cbf991a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:06.888442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004004/manifest.jsonobserved d1182ea615974752d69c6dd01d6ed982...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.872829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004004/publication.mdobserved b6a75be7c6b51c0be3e5b2ebab0383f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.853545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004004/publication.txtobserved 13c8809285ef7b496be68ceaff926e9b...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. |
|---|