OpenTechnical

OT-2026-000024144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000024144) never changes.

Identity and time

Publication numberOT-2026-000024144 · never reused
Internal UUID01a0ae70-e8c7-7757-a853-c75d26da0294 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024144
StatusPUBLIC

Content hashes

Canonical text634744e26d0106070f0508a6500488459fe94faa37e10a005fc332a8e7faf5e9
Markdown8944dba8ea1b5c508dc6423227a75b9bb616d53ee69e2d59e96037d7ff8aa9c0
PDF
Publication page9395602d841a554817a2ef8072d5d2c4c3b629f1c274d906f7a94989e940c83f
Manifest6419f54fbff9cb8d0c7e8f39c57a2780f22999b21115a364936cfd1b810d3096

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
Signature6ToQg5ZP+9L4pH+SZvzPF8uxyXa97tgod7Ho+LwA1IHWKW+P4seOK4JPy+DdnqTc9+2xJITgmsPDENFA1RyJDg==
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

2026-09-17T11:48:34.644382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024144
observed 9395602d841a554817a2ef8072d5d2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.621847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024144/manifest.json
observed 6419f54fbff9cb8d0c7e8f39c57a2780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.602118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024144/publication.md
observed 8944dba8ea1b5c508dc6423227a75b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.583140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024144/publication.txt
observed 634744e26d0106070f0508a650048845...
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.