OpenTechnical

OT-2026-000014084

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000014084) never changes.

Identity and time

Publication numberOT-2026-000014084 · never reused
Internal UUID01a0ae6d-8deb-73e2-ba16-7c625e127eba · 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-2026-000014084
StatusPUBLIC

Content hashes

Canonical text6247d0db9108ed27360d4351fa5c57bd42d7836cb4f11a1f7361768f01174244
Markdown8ca36a91c30e7550106d00a47e6ace9190dcfeb4b4c02724b471a9821a515d5d
PDF
Publication pagede69f63c26f21738cbab8290e59bd4be16d89fcc80fb0bb0d9546acb2b282a7b
Manifest7559d5082e0ea87070a736d9e2803806c0a4f6da9880fac8615d81a0778ca5d3

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
SignatureyQmmBqZhO1Jis5xihNC7R/k2/TVMHi/x9Aj0hKvTdRZEbPzJ0ycsBL+PU+9t6HkxwP8hCqdZT1GYeENGvnrlBA==
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

2026-09-17T12:09:20.169634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014084
observed de69f63c26f21738cbab8290e59bd4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.149812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014084/manifest.json
observed 7559d5082e0ea87070a736d9e2803806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.129385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014084/publication.md
observed 8ca36a91c30e7550106d00a47e6ace91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.107892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014084/publication.txt
observed 6247d0db9108ed27360d4351fa5c57bd...
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.