OpenTechnical

OT-2026-000025649

Publication integrity record

Three cup vacuum gripper, three 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-2026-000025649) never changes.

Identity and time

Publication numberOT-2026-000025649 · never reused
Internal UUID01a0ae71-9bc9-77f6-8426-0b4030e19e94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025649
StatusPUBLIC

Content hashes

Canonical textc34d30fb302281eb8684a60ea13cfc770e8707f5ca4fbe6f99f61c173acdcecc
Markdown1a766e28d45951693fe5f2a09f88046d9e15f16ff1b02373049ded14ca0be6d0
PDF
Publication page3ae2cf5fa6c459a0bfdcb67e05c67ca1471502d501e6b66b6ffd4ac4ac977254
Manifest7119cfd5a914fbf122b15aef0857e6aafbd8ffa18003d01a35edd90fa6474b6a

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
Signatureiof7WcS/ndaJZWKBMWgvuexfwGGWFsi/LFdsPdZ+bfApvqbsTOcQsXL8752SGcVQPnbz42p5GdzsfRFsQYoeDg==
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

2026-09-17T11:46:51.141465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025649
observed 3ae2cf5fa6c459a0bfdcb67e05c67ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.122902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025649/manifest.json
observed 7119cfd5a914fbf122b15aef0857e6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.106845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025649/publication.md
observed 1a766e28d45951693fe5f2a09f88046d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.088698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025649/publication.txt
observed c34d30fb302281eb8684a60ea13cfc77...
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.