OpenTechnical

OT-2026-000003960

Publication integrity record

Bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure verified

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-2026-000003960) never changes.

Identity and time

Publication numberOT-2026-000003960 · never reused
Internal UUID01a0a90b-9778-7311-aa4e-d04803d2257c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:24.314326Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003960
StatusPUBLIC

Content hashes

Canonical text722450a38776ed9e70c6aa559c318c9ac45bc9ee1074059c4bf1a4e4877e2908
Markdownc9920ec156eaea988ca8c8f57b0b51aa3536fd0665a4e007f1455b8e53334065
PDF
Publication pageabb68c9a008b426d8018fd125d381e546f9e2d3c824a424fb667b6e52d72ff40
Manifestef8eb25bf44173d228ef6b8959d5a8432cf5ee5e87cb3207ab4061cbca3198a8

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
SignatureOOefsoENyKuX7rMCvNxmCw9Tw4UPeB2R18u5NLup72KrHyWOZetYsbNoNfq2hcvsL/2bDakvo5VnYCRPjbJpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:09.751565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003960
observed abb68c9a008b426d8018fd125d381e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.737814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003960/manifest.json
observed ef8eb25bf44173d228ef6b8959d5a843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.716046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003960/publication.md
observed c9920ec156eaea988ca8c8f57b0b51aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.699409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003960/publication.txt
observed 722450a38776ed9e70c6aa559c318c9a...
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.