OpenTechnical

OT-2026-000097253

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000097253) never changes.

Identity and time

Publication numberOT-2026-000097253 · never reused
Internal UUID01a0aea1-01ca-7b2e-b536-e8394850fb8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097253
StatusPUBLIC

Content hashes

Canonical text77f983a53a455745f4a6eeead8e6e3b2641b41bcb8e4d4d3d995ae8c0e26b43d
Markdown9f471b331cd69cc3a98181bd7b7743bc9b8d32fb0191c192068f536d3a62143f
PDF
Publication page9aa756d13e3ef9f6b0728f3639f7bcd487721a3155bb278b893a7fac7c13bc23
Manifesta9f3a2a11f05e0f2819b7db61301d799bd61ddc33828fc05db3d185619779d33

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
Signature7qQmojjPMAQJNufKZtWAHxDIoG2QCL8ff8KjBUZBNLo0fDe6zYYGXJx8Vqxff+vuNo+dfpAv0Z9sIPoeIzIUDw==
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

2026-09-17T09:33:30.418658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097253
observed 9aa756d13e3ef9f6b0728f3639f7bcd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.398176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097253/manifest.json
observed a9f3a2a11f05e0f2819b7db61301d799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.377951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097253/publication.md
observed 9f471b331cd69cc3a98181bd7b7743bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.357819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097253/publication.txt
observed 77f983a53a455745f4a6eeead8e6e3b2...
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.