OpenTechnical

OT-2026-000033548

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000033548) never changes.

Identity and time

Publication numberOT-2026-000033548 · never reused
Internal UUID01a0ae75-a38e-7627-af89-03d20843cceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033548
StatusPUBLIC

Content hashes

Canonical text663d500bb249ae349dd32aeed6c3e6c1110302d40581c7f835c40c07ba78ccc5
Markdownabd3f7254ae472540a0595cfb7cbd3e713cd1d7c12ed3b22eb8eafd4f999ccff
PDF
Publication page47eaba31c6d99471f1f232b9fe29a8a8611f3a1ea0a414453e6627515ff802bb
Manifest85c2cd11b51c0dffe13bc04b5da74d481183aa818ad49fd7fb1a3d99b8035883

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
Signatureo16mSpjdHbpNeZU0lihet9unfyP1Vb/Jij6ex1jIpUKwrnDfq/EJRWYMMFCATUezg9DlTM+1WbMwbrEjD1Z4Cw==
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

2026-09-17T11:31:24.725347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033548
observed 47eaba31c6d99471f1f232b9fe29a8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.708665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033548/manifest.json
observed 85c2cd11b51c0dffe13bc04b5da74d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.692507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033548/publication.md
observed abd3f7254ae472540a0595cfb7cbd3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.675685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033548/publication.txt
observed 663d500bb249ae349dd32aeed6c3e6c1...
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.