OpenTechnical

OT-2026-000020792

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000020792) never changes.

Identity and time

Publication numberOT-2026-000020792 · never reused
Internal UUID01a0ae6f-65e3-7570-8972-53fc42c9f57b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020792
StatusPUBLIC

Content hashes

Canonical text00196a62e85446dac9dd08c388b51c57e32fecdb2ce24984706dc5d02ad9188a
Markdown033e4241cc3e379375f07f9a211ad580019d650ff8b634fcebcefb08e7d495ce
PDF
Publication pagee8b2fcbd243574db3ae09b99ca5fd81214acc1b94b340e55a59db9837f7f7a52
Manifest0b201a9ab6d6b06e41be1188d7a40a0d876aface93e30766aa08c41ca32a10e7

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
SignaturejTChJlBfbNj7vAahIDwKJNFaFZ0j2yFqaGt8iBUTKlft15iQASkT0Q+gvV0Yrl96lT9++pQ/ZgW0qquTuFYgBQ==
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

2026-09-17T11:55:52.572428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020792
observed e8b2fcbd243574db3ae09b99ca5fd812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.555282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020792/manifest.json
observed 0b201a9ab6d6b06e41be1188d7a40a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.537776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020792/publication.md
observed 033e4241cc3e379375f07f9a211ad580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.520130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020792/publication.txt
observed 00196a62e85446dac9dd08c388b51c57...
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.