OpenTechnical

OT-2026-000025016

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000025016) never changes.

Identity and time

Publication numberOT-2026-000025016 · never reused
Internal UUID01a0ae71-2728-7f26-abf1-57113f9c7bf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025016
StatusPUBLIC

Content hashes

Canonical textafb84730168df918f50a9fe7946ae5b8b5813a36386db2c15109d295ca75d72e
Markdown547e9a8a51e68f87a704e4aa3546fc141645417bd85a0e8da7b6e75ceaad0df6
PDF
Publication page1f7b8d26baa22098c4b23a6e35ac7dc2896eaa4c07165598c615bc975455dd4b
Manifest916122152788db193342baac10e6c5aa5cdc4d4e95f538d2b00f2ea23ffd6359

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
Signature6OckJ6rSEXRrOaezLVpq1ALl/ULu/Qm52sk6/nVUo88MCwHoi6V90fzLiZHuN51SJj8sTW+vMst3u8u2p1PPDg==
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

2026-09-17T11:48:25.051114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025016
observed 1f7b8d26baa22098c4b23a6e35ac7dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.029619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025016/manifest.json
observed 916122152788db193342baac10e6c5aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.009841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025016/publication.md
observed 547e9a8a51e68f87a704e4aa3546fc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:24.990331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025016/publication.txt
observed afb84730168df918f50a9fe7946ae5b8...
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.