OpenTechnical

OT-2026-000066383

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000066383) never changes.

Identity and time

Publication numberOT-2026-000066383 · never reused
Internal UUID01a0ae8e-ce40-714b-932b-00394443944a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066383
StatusPUBLIC

Content hashes

Canonical text79db54cff5bdd06a663e6c80e11df2c4044f5a30ade1aac76d4a820e1bbc9c0a
Markdownadf37d0afd3d9e9339b7fc3d6f693d4985f7d10d8b592c79a1f340b6477bbc06
PDF
Publication paged05560411812134ae2ec7cd44861c94bf7fbabee1ae0ab0f5cf32a1d6364c56d
Manifest5137466f705b74e8254a17fbdd02cd1f0d5d0884f46a14acaa65db9e4bd27603

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
Signature1O8uQqpskFdvhj1wsncFhh2dyz1S+t8JrzvHDvejwKlGzoQE3Dh+Hjt7qEVOmvB48GTZgCsfRDBi0wTYSy0UBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:31.253782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066383
observed d05560411812134ae2ec7cd44861c94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.236751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066383/manifest.json
observed 5137466f705b74e8254a17fbdd02cd1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.218626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066383/publication.md
observed adf37d0afd3d9e9339b7fc3d6f693d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.197808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066383/publication.txt
observed 79db54cff5bdd06a663e6c80e11df2c4...
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.