OpenTechnical

OT-2026-000024617

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000024617) never changes.

Identity and time

Publication numberOT-2026-000024617 · never reused
Internal UUID01a0ae71-2725-74eb-bb3e-71cbfad2e91c · 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-2026-000024617
StatusPUBLIC

Content hashes

Canonical textb23b20a71e00441b322451926abf72070ab47f8960ec7b2a9e017c8542db403e
Markdown95dc3c0e8e634ed92a21bbc04ecb9b4a7d5365d9dcdcfd396854d1bd396df5f2
PDF
Publication pageda6ee99a70fa76c3b6aaf25027e7f68994b62d31d497bff8695c1ce584286379
Manifesta0b472930ff5413831714d15bca84ed661a6bc70a65369d4c1d6de2a190f368c

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
Signature8Hn2TB7Hew2Gnj9lFO+i34VS5VnX1DxHmAQSG25qTvs+LdxzKqYkR1gqyDRzu5cv7yJog7ef6CpjnV/6n0alDw==
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

2026-09-17T11:47:46.528849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024617
observed da6ee99a70fa76c3b6aaf25027e7f689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.510196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024617/manifest.json
observed a0b472930ff5413831714d15bca84ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.466489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024617/publication.md
observed 95dc3c0e8e634ed92a21bbc04ecb9b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.367963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024617/publication.txt
observed b23b20a71e00441b322451926abf7207...
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.