OpenTechnical

OT-2026-000015151

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000015151) never changes.

Identity and time

Publication numberOT-2026-000015151 · never reused
Internal UUID01a0ae6d-ef47-7eba-a660-633ce8d19a5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015151
StatusPUBLIC

Content hashes

Canonical text6ff2bed62db9352038d9c984ce0c19be4ca97de5ff5a93fa8e922c8316656710
Markdown051804df06e031b815ce275fca27ef55ae8bf8e66f1eb8ebcdd1d8042896e7bf
PDF
Publication pagef549cfa09ec86b402f0c23098da5df22deda3b2d5f66261efecb29ee61a40823
Manifest79f8cb46433839e80950d9e8d9dc578db65d2d73057db8339d1f03426fa70ee0

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
SignatureIxcS60aufFO9d2o+pUnEiNCjApQLFj33sm6Ai3y3Hln8tEWxXnqTlQkZfuxSjPtMXul5HxhfeN0JsxCZpPV3Dw==
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

2026-09-17T12:05:45.608865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015151
observed f549cfa09ec86b402f0c23098da5df22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.588471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015151/manifest.json
observed 79f8cb46433839e80950d9e8d9dc578d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.564636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015151/publication.md
observed 051804df06e031b815ce275fca27ef55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.542342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015151/publication.txt
observed 6ff2bed62db9352038d9c984ce0c19be...
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.