OpenTechnical

OT-2026-000032780

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000032780) never changes.

Identity and time

Publication numberOT-2026-000032780 · never reused
Internal UUID01a0ae75-4841-7735-a630-b84e5672ba04 · 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-2026-000032780
StatusPUBLIC

Content hashes

Canonical texta817ca00c054bc46c8d586a4e85d46fad8bc19eee65f1463a53083f80e3d7082
Markdown4c82a29ef88c95d343b1ded624edd09830d556178f1557dfef78a6b1db142bfa
PDF
Publication pagebbb9c680fbaf5e17b19ec74652c8329ff217cc2c494e31387e7141ffe6c4420a
Manifestabad794c57dc92edd535c58606d570a738e786da447f2b97f621edcaa43a0baa

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
SignatureByWNOAX2QR+EdYx2HJeS3Cngg7xZypdiys7g3Ejr67zYDaunhPGhbEJqcuoug9gfxiCu5t8QO7Pu1Em9CtgiBw==
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

2026-09-17T11:32:13.296685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032780
observed bbb9c680fbaf5e17b19ec74652c8329f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.281381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032780/manifest.json
observed abad794c57dc92edd535c58606d570a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.264533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032780/publication.md
observed 4c82a29ef88c95d343b1ded624edd098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.247349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032780/publication.txt
observed a817ca00c054bc46c8d586a4e85d46fa...
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.