OpenTechnical

OT-2026-000027882

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027882) never changes.

Identity and time

Publication numberOT-2026-000027882 · never reused
Internal UUID01a0ae72-a4a5-7cd1-99cb-c85b2b9646d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027882
StatusPUBLIC

Content hashes

Canonical text1e781cff01774dac0f1e76c5a55ff311d308e549590fff8fcb15328bdf34ea77
Markdown9bc10808b962938fb3543043ac5311405dc2c4b40c3585b4d670952982a8a429
PDF
Publication pagef9f9eeb5cf72d9a832c938ff1635ffc6aad3bfc909d76b60c943966842e87c5b
Manifeste7534f6d8d172013b16886f63861c9880b69165775f1a6dffba3e71ac9e18cb0

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
SignatureW/zDRH7zuvuEo6a+RLiHmg0kDLYChoQAgGY++RMKdPQk4v63jEyam3u/D/9nczQpW0FdPUqsjg7dgymHwDUCBw==
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

2026-09-17T11:42:02.735945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027882
observed f9f9eeb5cf72d9a832c938ff1635ffc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.718175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027882/manifest.json
observed e7534f6d8d172013b16886f63861c988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.700111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027882/publication.md
observed 9bc10808b962938fb3543043ac531140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.679937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027882/publication.txt
observed 1e781cff01774dac0f1e76c5a55ff311...
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.