OpenTechnical

OT-2026-000015675

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000015675) never changes.

Identity and time

Publication numberOT-2026-000015675 · never reused
Internal UUID01a0ae6e-0c4b-72cb-922a-1eae1f70943e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015675
StatusPUBLIC

Content hashes

Canonical textbc2c528f2054d0677cbf03843825f503ec3f82cdc84c93400c379821aabf1a21
Markdown0d92f08f347044770959fb34764c6d58b7e25e2d847dd871ed0b8c4a523eb7a0
PDF
Publication page04fecaeae9aca5478c0ec87f611fe09a30e6a76e3e7964809c5c048920ab27a7
Manifest4a87520b6bb34beba1a26863ad7cd78bc2f86f205716658a2a61f2e9719ef189

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
Signaturep2TX9YRxCawgeMLCWd1HYf/GI13NSTU8HkUoX1EDrYYQwxQ8B1s7WoSfyTDHuo1uLPHX4oAHEyEZFoqmeM/9Dg==
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

2026-09-17T12:04:56.638048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015675
observed 04fecaeae9aca5478c0ec87f611fe09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.619788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015675/manifest.json
observed 4a87520b6bb34beba1a26863ad7cd78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.602149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015675/publication.md
observed 0d92f08f347044770959fb34764c6d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.585730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015675/publication.txt
observed bc2c528f2054d0677cbf03843825f503...
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.