OpenTechnical

OT-2026-000019384

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000019384) never changes.

Identity and time

Publication numberOT-2026-000019384 · never reused
Internal UUID01a0ae6e-f392-784c-a795-e8ee352d796e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019384
StatusPUBLIC

Content hashes

Canonical text57a1e9b1396cafa234c02bf4601c2382ef99f59eccda4328973731c60e8799e1
Markdown844c880751277acff62102dadccde0671d1841a54f3453b1a0acff84e7f3f0b6
PDF
Publication page972c6d31e943ca2d16de3d76389a245c073a50651ad72b08e7a02ffd8a2415c8
Manifestdd1f64840430d27af6dec1887f9e2e5b1a902e6ebc9e19f42bc18f40cd39b1cb

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
Signaturel3cdukyn0GeVcvkZ+Bvt3QmDP+T/gbC/7obavlTor3/xeY2iw5mHEvBHChvIi41d0E/V+A5SXbikK6RDeJVYCg==
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

2026-09-17T11:58:46.070353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019384
observed 972c6d31e943ca2d16de3d76389a245c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.053268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019384/manifest.json
observed dd1f64840430d27af6dec1887f9e2e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.036774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019384/publication.md
observed 844c880751277acff62102dadccde067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.019436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019384/publication.txt
observed 57a1e9b1396cafa234c02bf4601c2382...
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.