OpenTechnical

OT-2026-000046157

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046157) never changes.

Identity and time

Publication numberOT-2026-000046157 · never reused
Internal UUID01a0ae7e-032b-7970-a7bf-5e041ae5c143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046157
StatusPUBLIC

Content hashes

Canonical textae13aabfdf36f38ce4ab1ec60c0e85af3e2fba72ce25329d07aac33508859c57
Markdown0a973ea3d083efb685c92e9e057fb69c872f1b5766b5b87cdcd6a4db55b5e7ff
PDF
Publication page6ed5b678aaf52c93cd54709432a6c2c678c417ed346781b914bbae05ffcec254
Manifest2080887cc5cff767aaa65c1eb4537358afb700383a417887fa04e559560c4506

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
Signature/n/4JTcKA/EiNhZewlUMVsKuUQRX70fWpOEHVron1a1Bes3TlZ8Ufy1QyUwPAWZj+PWtr7HXIbiya9n5sbh7Bw==
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

2026-09-17T11:09:09.348275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046157
observed 6ed5b678aaf52c93cd54709432a6c2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.327539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046157/manifest.json
observed 2080887cc5cff767aaa65c1eb4537358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.308220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046157/publication.md
observed 0a973ea3d083efb685c92e9e057fb69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.290111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046157/publication.txt
observed ae13aabfdf36f38ce4ab1ec60c0e85af...
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.