OpenTechnical

OT-2026-000033229

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000033229) never changes.

Identity and time

Publication numberOT-2026-000033229 · never reused
Internal UUID01a0ae75-4845-739c-9e3f-2cdf86f1e212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033229
StatusPUBLIC

Content hashes

Canonical text19b1522147ee12e51eb3add93c677b001a56d393804219718c801dfa7d19ecc4
Markdownaad2119e29d219f7ed29892a0da731bd2c7008aa1383accf26e8ab946bf2f713
PDF
Publication page723da2228210a70e20a377e563129bce989449bf91e399f218175f419aebf6c7
Manifestc7eb847756c692ace108739e71057da241e5b8c87b4c190c131fc73d152c4b9f

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
Signaturen1NE4OInPSXSoMmtpSjwwypiVygzRsw8U80c24l8CorzazTWevzF/wXSydlp3yCnTF/wv97/9Xd6fdk18NFDCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:56.101854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033229
observed 723da2228210a70e20a377e563129bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.084579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033229/manifest.json
observed c7eb847756c692ace108739e71057da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.067674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033229/publication.md
observed aad2119e29d219f7ed29892a0da731bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.041698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033229/publication.txt
observed 19b1522147ee12e51eb3add93c677b00...
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.