OT-2026-000004526
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, pump fed, pressure verified, contact triggered
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-2026-000004526) never changes.
Identity and time
| Publication number | OT-2026-000004526 · never reused |
|---|---|
| Internal UUID | 01a0a91a-e7d3-79a1-9a7c-91b111111782 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:07.925943Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004526 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9f3242185ef6160444adae5c7ca0bf8af767bf7b301279739bbf603a16a4a67 |
|---|---|
| Markdown | 146c12ab196979402b41d274606a03acb540cf268f64cd8e4f02aff0cec45098 |
| Publication page | 4db1254da0b06477ebc06f53e9d925f1ea9905310b96b414a7594a002ee393d8 |
| Manifest | c80270211afdcca2f2fc8cd29e41328ead1efff974eaaa60aa74059484ab3de6 |
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 | oUFR4pC103ajjE0PHX421gX0v/VFv2Qa3Qbk0FcKCQFTj+HabjOpWG+uVA2bwTNwLGSPtdGhAD2uQq616G41AA== |
| 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
| 2026-09-16T07:30:18.232140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004526observed 4db1254da0b06477ebc06f53e9d925f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:18.219255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004526/manifest.jsonobserved c80270211afdcca2f2fc8cd29e41328e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.206203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004526/publication.mdobserved 146c12ab196979402b41d274606a03ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.192812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004526/publication.txtobserved d9f3242185ef6160444adae5c7ca0bf8...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. |
|---|