OT-2026-000004475
Publication integrity record
Porous face vacuum gripper, common isolation valve, three stage ejector, 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-2026-000004475) never changes.
Identity and time
| Publication number | OT-2026-000004475 · never reused |
|---|---|
| Internal UUID | 01a0a919-47d8-7968-8dd1-a7cc9b4efe21 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:21.435946Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004475 |
| Status | PUBLIC |
Content hashes
| Canonical text | d64bbb5282713f573c3fb6d414edc4104287f6c027e3d5c44f0075b2e6a38829 |
|---|---|
| Markdown | e7d6670c1d3296a33152fa13bcf80b90a7d1353816b7de60fc6281a0b1a433ce |
| Publication page | 2b2c62648c3689a6b860518729e6e1b02ef976a117621b45e7f66334c634b2a5 |
| Manifest | 0fa7302df6cfc8633d2f5606d2005940c5e262c07d06a920631eb1ce2c05d53e |
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 | nLnhDYg6jrIBeT2qtmh2u6lrtkR3VYpSNAJCx/Eve8OxF7XsEjNMBoWx0nl3wJZ/M97FoqyoI2Rw3vQAhScDAg== |
| 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
| 2026-09-16T07:30:23.482884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004475observed 2b2c62648c3689a6b860518729e6e1b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:23.471034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004475/manifest.jsonobserved 0fa7302df6cfc8633d2f5606d2005940...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.457336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004475/publication.mdobserved e7d6670c1d3296a33152fa13bcf80b90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.444517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004475/publication.txtobserved d64bbb5282713f573c3fb6d414edc410...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. |
|---|