OpenTechnical

OT-2026-000013864

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000013864) never changes.

Identity and time

Publication numberOT-2026-000013864 · never reused
Internal UUID01a0ae6d-8de9-7bbe-ad5d-6c21dcdf2b5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013864
StatusPUBLIC

Content hashes

Canonical texte951bf1e6d5c38c4f22eef5f136ee453e070207d38fc77fc7fb0783f63a034d2
Markdown68bc648ac44dc5a9046f5554908a1a33fb8d96a5e5acc4757172b146d83f51b4
PDF
Publication page6912aaf3000f9e8e42b0c72b8be5911f72bbfba101635f91c9c7f0e0fb6b15e7
Manifestcd537a7281854951f36bb6133dd6a035e0a78a5094077fd1d0375059c4779a05

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
Signaturem3Dm4OKJ7RRMvYmOFbsnsnHf2unTZHS8U+qE8jGf/24FjkbixeWqYVeE1A0SgvPUbBj0oIw9NIpDplgNCIZDBQ==
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

2026-09-17T12:08:58.630804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013864
observed 6912aaf3000f9e8e42b0c72b8be5911f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.612860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013864/manifest.json
observed cd537a7281854951f36bb6133dd6a035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.592720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013864/publication.md
observed 68bc648ac44dc5a9046f5554908a1a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.571419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013864/publication.txt
observed e951bf1e6d5c38c4f22eef5f136ee453...
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.