OpenTechnical

OT-2026-000067793

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000067793) never changes.

Identity and time

Publication numberOT-2026-000067793 · never reused
Internal UUID01a0ae8f-c4fa-79e1-a591-d258176b35ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067793
StatusPUBLIC

Content hashes

Canonical text7e2320279aefe4201d4180c1008047e19d54f5f21e952f1912663db9e486b33e
Markdown882234ffae18bb8eb4bb560a6237b113502fe27597ad67b381851db0da56a4cb
PDF
Publication page35efac8223ca0d6cd30fbd59126940fee12df4fbe57190662ae67fee2e6dc098
Manifest8c9808070333132a815c7713454a13922ec2aec4c086cabbd9d749ba63481aaa

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
SignaturenqJkHznwEY819aKdE8cVqAh+SFpGZC7Ub5fhAwwQwmMsUs9E+ZEM99d3+TE/tE3AEtF1VUsHA+q/kaGyHeSSBw==
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

2026-09-17T10:30:01.801719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067793
observed 35efac8223ca0d6cd30fbd59126940fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.784334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067793/manifest.json
observed 8c9808070333132a815c7713454a1392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.766686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067793/publication.md
observed 882234ffae18bb8eb4bb560a6237b113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.747664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067793/publication.txt
observed 7e2320279aefe4201d4180c1008047e1...
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.