OpenTechnical

OT-2026-000006226

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, 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-2026-000006226) never changes.

Identity and time

Publication numberOT-2026-000006226 · never reused
Internal UUID01a0a953-94b9-7970-a60c-9f18efaa9571 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:02.203767Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006226
StatusPUBLIC

Content hashes

Canonical text4c4f8be240893b1041f8ef24b8aa8c1ec858ad9cf6c86b111a557ec68c2a004e
Markdown5b84ab629bbf4f84247da4b277ff0b6850a31c882417673d8405710e1a7bb665
PDF
Publication page45893d70ba0c3392af31363f1bc56fbc00eac9106ff7b1700977d16e423dfb39
Manifestb7531225c0cc38e501857d878de5ba56fa1b560702bb23b853ce367a4e86fd9d

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
Signaturemq91/NbR9G+2n/FtrUyri9xbIiYwvqPX18/OCvR8JuhOLpXuaDgPo6BDVhikSbsj1mMipyIfA1UHe8fAigGzDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:12.888129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006226
observed 45893d70ba0c3392af31363f1bc56fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.874398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006226/manifest.json
observed b7531225c0cc38e501857d878de5ba56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.752565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006226/publication.md
observed 5b84ab629bbf4f84247da4b277ff0b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.737072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006226/publication.txt
observed 4c4f8be240893b1041f8ef24b8aa8c1e...
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.