OpenTechnical

OT-2026-000006308

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, ejector fed, contact triggered, plastic cups, three fold

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-2026-000006308) never changes.

Identity and time

Publication numberOT-2026-000006308 · never reused
Internal UUID01a0a956-6142-745a-b4fa-0c49a03dda7a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:05.637124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006308
StatusPUBLIC

Content hashes

Canonical textd94a89a26b290ea2cc75f6e9644641e7ac1959814edf8f84932f28535747a325
Markdownee5df4e441c296fe4631e72aea83ff2dcf2411aa3e52856939ce29d1b4955c99
PDF
Publication page3c685ec6c8f9eeb844cb571cc194dea60ce278f40b276c90be009b4cab1ab19d
Manifest34c697053dd95316c55021ee65f0fbe29e2776e51248f189589e4874be2202c8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureZnQ/QPGyifE8Zgz/wnAEaPdwrDU1PRwxz1FcKFYc6vvjH+7IpaMTlM7CKw0g9FbCv0cCv0Zm6MAJjZBwb2a5AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:33.684705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006308
observed 3c685ec6c8f9eeb844cb571cc194dea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:33.654654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006308/manifest.json
observed 34c697053dd95316c55021ee65f0fbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:33.640015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006308/publication.md
observed ee5df4e441c296fe4631e72aea83ff2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:33.625684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006308/publication.txt
observed d94a89a26b290ea2cc75f6e9644641e7...
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 archivePending 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 packagePending Custody packages are produced weekly.