OT-2026-000004142
Publication integrity record
Porous face vacuum gripper, three zone face, two outlet manifold, 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-2026-000004142) never changes.
Identity and time
| Publication number | OT-2026-000004142 · never reused |
|---|---|
| Internal UUID | 01a0a90f-7784-7d5c-8456-0bd8525a603a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:38.278861Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004142 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1b75b64bcf319d96f924665c9f1f064c2cb8c5f55f82bf85659c458b61ca7cd |
|---|---|
| Markdown | 3b63ba5c99e49ad9a177815f59d86d2af8960c8a66bbc8744355ebe165c11b90 |
| Publication page | 4d8c06bb6f5db35ab7427556420ed6d8d78f817fb5827a7c3f24b76c3c339eff |
| Manifest | 50739c5a7bd3150f537b761be2e2fd45479a61928e2c4501d2df0f98635eda79 |
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 | PnsF03qqNSOdq79afaskudRUEMz9dZ3chxUj853/HRbIbeWYVYoCeymxmQwhG0d3xYHKcYeHD/tQRJWstbioBg== |
| 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
| 2026-09-16T07:20:31.662424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004142observed 4d8c06bb6f5db35ab7427556420ed6d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:31.648540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004142/manifest.jsonobserved 50739c5a7bd3150f537b761be2e2fd45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.635950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004142/publication.mdobserved 3b63ba5c99e49ad9a177815f59d86d2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.622145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004142/publication.txtobserved a1b75b64bcf319d96f924665c9f1f064...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. |
|---|