OpenTechnical

OT-2026-000003815

Publication integrity record

Bellows cup vacuum gripper, two zone face, six outlet manifold, ejector fed, 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-2026-000003815) never changes.

Identity and time

Publication numberOT-2026-000003815 · never reused
Internal UUID01a0a90b-2434-7d43-b2ec-8d48527ed174 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:54.807003Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003815
StatusPUBLIC

Content hashes

Canonical text3591dbfef47373fa0a8fc3b41dfd9b546588a735fa71eeaf820da435dd25c2b1
Markdown378caebcc44f92fbd729d1e20ea91375de1fe1106671f6683d1c7115326bd50d
PDF
Publication page3e17987c18b00a89084e589d2cd536003adc4169633b25d7e3d66963c77f059f
Manifestc8024fcce91666f1dd1387c56d90c95730ace30bc0155cf04ebfb3b6e2b04885

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
SignatureMvn2nejyln11weKxF87V1zM067e0lJ/SoUfBsE6YtBTSVMayNNc2qnUNucQnqbISRD8B+3PB4bynBBmaXVEdAg==
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

2026-09-16T07:10:18.707603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003815
observed 3e17987c18b00a89084e589d2cd53600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.694766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003815/manifest.json
observed c8024fcce91666f1dd1387c56d90c957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.681285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003815/publication.md
observed 378caebcc44f92fbd729d1e20ea91375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.667583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003815/publication.txt
observed 3591dbfef47373fa0a8fc3b41dfd9b54...
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.