OpenTechnical

OT-2026-000097441

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097441) never changes.

Identity and time

Publication numberOT-2026-000097441 · never reused
Internal UUID01a0aea1-55b3-7639-abb3-2313908ec18b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097441
StatusPUBLIC

Content hashes

Canonical text720764023d0b1ad34e66c2e633fca3c54ee7f4b4a1ba5a8c209006e7c4590909
Markdown8f3cd3c5d3d9038f88fc0f5a40755dab0a13ae3507601e7bd54822a1558b7be6
PDF
Publication page07ae6d690765f5ba5f0273a4796eb758a5cd43d4d4ef47293c5c2c91eed43d4b
Manifest19cff8eeb1d6a3aaef075c530fbcc1bdfdca7d8dd5e8e7c7b017104af2b20c8b

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
SignatureSBnKuuP4hvKOMBwRz816wnSlr9vAkrwjdwLPGqGYUZDldQI1obN5jiQNu30OZRio/BJFb21jmCjJuptB/P8XCg==
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

2026-09-17T09:33:18.066332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097441
observed 07ae6d690765f5ba5f0273a4796eb758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.049224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097441/manifest.json
observed 19cff8eeb1d6a3aaef075c530fbcc1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.032848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097441/publication.md
observed 8f3cd3c5d3d9038f88fc0f5a40755dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.014948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097441/publication.txt
observed 720764023d0b1ad34e66c2e633fca3c5...
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.