OpenTechnical

OT-2026-000005549

Publication integrity record

Porous face vacuum gripper, common isolation valve, four outlet manifold, ejector fed, open cell

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-2026-000005549) never changes.

Identity and time

Publication numberOT-2026-000005549 · never reused
Internal UUID01a0a93c-d24e-78d3-82d7-404b58661962 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:10.641433Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005549
StatusPUBLIC

Content hashes

Canonical text0ce0962152aebcbc931a90858632d55342b9b052bb9e81962c01acb413a48b71
Markdown40288b40aee90cd31c53c8dc1e289ae030582bdc9ec892bc9188a53e744fc18e
PDF
Publication pagec06d193c6b386dc83935b58daf16a0badc51366a98a516c0296e714bace3fa30
Manifest8fad07a5605c2c2253e793005ffd26df14569b2ec1ce1367b272aaf7b03023e8

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
SignaturetBwuHbe4nCdWz/MOYS7S/0cmPHUapz+c3nrQjrltIwT7hlRhH8I5n27ZlOqf3/xt00NIIigzTsvBxEbwED9NAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:27.924847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005549
observed c06d193c6b386dc83935b58daf16a0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:27.911664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005549/manifest.json
observed 8fad07a5605c2c2253e793005ffd26df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:27.898828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005549/publication.md
observed 40288b40aee90cd31c53c8dc1e289ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:27.884064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005549/publication.txt
observed 0ce0962152aebcbc931a90858632d553...
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.