OpenTechnical

OT-2026-000048829

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048829) never changes.

Identity and time

Publication numberOT-2026-000048829 · never reused
Internal UUID01a0ae80-c32d-7a12-a8ad-32151a555aaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048829
StatusPUBLIC

Content hashes

Canonical text421f7ff96b33bcf882c52ed1ee4461f10bc685c042c21f77d21aa17ef705f4f9
Markdown1281fbd6e74f021c3f71453505f54477162398f1b36348cb0f78e0d72a2e3be9
PDF
Publication page72401cfcbafcab77f5518deee4af20d494f513ebeb7b9a6517ece44af1720f08
Manifestf0d90d65115255c7a221c29d1cd5b2237b698dffb7bcba02e6bcdd43b38addf2

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
SignatureEvaS2c1PRxe3HBKMIq8Q4oKV6UQAYhFVotfvGQfzX68uMcTWIS9wyFAnf37MqssYCekhgfzWMGwZALUGDeOKAg==
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

2026-09-17T11:04:33.857677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048829
observed 72401cfcbafcab77f5518deee4af20d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.839695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048829/manifest.json
observed f0d90d65115255c7a221c29d1cd5b223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.820630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048829/publication.md
observed 1281fbd6e74f021c3f71453505f54477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.802376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048829/publication.txt
observed 421f7ff96b33bcf882c52ed1ee4461f1...
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.