OpenTechnical

OT-2026-000095646

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095646) never changes.

Identity and time

Publication numberOT-2026-000095646 · never reused
Internal UUID01a0ae9f-fac4-7b4a-8afb-3666e6b59706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095646
StatusPUBLIC

Content hashes

Canonical text6ade208d37d4b978ebf4df0b097e7ab04c962e38c447a2392703d66e19b73145
Markdown9d47d999f1399a3a555582d9bbbc3fd5e5384d0245c3f700249dd2d2ebc03b6e
PDF
Publication page434094cb614f07fd7dc3cdcab58470b08bf565ddfaaa53879360c88ba6fa72cd
Manifestea5252888276865d436f0e6a600e67f1d784af0f36acdeeea8253ec90c3040d1

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
Signature3/q91GySOM1vCPq4DLosAO06ZgM8wicOupm1sXISVwPZ8tmj8vERGq1xmJwEZviYcBnh0thEigbNaZymj5TVAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:06.710496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095646
observed 434094cb614f07fd7dc3cdcab58470b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.693420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095646/manifest.json
observed ea5252888276865d436f0e6a600e67f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.676108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095646/publication.md
observed 9d47d999f1399a3a555582d9bbbc3fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.659305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095646/publication.txt
observed 6ade208d37d4b978ebf4df0b097e7ab0...
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.