OT-2026-000004522
Publication integrity record
Porous face vacuum gripper, three zone face, three 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-2026-000004522) never changes.
Identity and time
| Publication number | OT-2026-000004522 · never reused |
|---|---|
| Internal UUID | 01a0a91a-c3fd-743b-aa99-319b8a0e1c27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:58.752030Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004522 |
| Status | PUBLIC |
Content hashes
| Canonical text | d02ba51ca8acad692f5d49156b8b35013c7ec9c6b97427dc69d0b5f834804a9c |
|---|---|
| Markdown | 0a0caa2e28dac30bf51cd2d216d2946510faf0f543bb8b9cde88b6b0fe075e36 |
| Publication page | 2e577e0b921fee6b612cbe592647eb5e4c56856d959614ca58752920fe698044 |
| Manifest | bd07e86b05fca014c301c24f9b6314096d183d360b95f6f4bf25b51a3c5ded1c |
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 | 3xqbAksAMqxFOEBGrHptqaBN5X5UIjcEPbx7wdgMmCZ+Y2yQ6DdJts6kSmhGNCjqRGq/DnQm+t8fWd8FXYqtDg== |
| 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
| 2026-09-16T07:30:18.695578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004522observed 2e577e0b921fee6b612cbe592647eb5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:18.682241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004522/manifest.jsonobserved bd07e86b05fca014c301c24f9b631409...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.669506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004522/publication.mdobserved 0a0caa2e28dac30bf51cd2d216d29465...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.656438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004522/publication.txtobserved d02ba51ca8acad692f5d49156b8b3501...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. |
|---|