OpenTechnical

OT-2026-000076095

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000076095) never changes.

Identity and time

Publication numberOT-2026-000076095 · never reused
Internal UUID01a0ae94-6a6e-7606-911d-5b4be5bdd2f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076095
StatusPUBLIC

Content hashes

Canonical textbc09690c4fb4fd0aea40667edf1f6219c088b491b1703d5abb7c85b00699271e
Markdown0ed4d8537447cecb07693f83e25bb9135084fc6ef7ea6abfda863d0696db6b67
PDF
Publication page5912f57e6dd9c1d109deb7241efde1774e8274f5f77f134bdebbe7c3bd5e13f9
Manifest6752f379de6208fb2143c8257bfa90d1e62f9d4fe4dc3c941b224884c4cb5884

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
SignatureCnUjv5H2CIiWnkqpkE/OlwPP+40Qyb5nVNhXTyI7tMje60DmnmPqe86d+CCXSz3fB8iTjRgGlqAClB7uFpNcDg==
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

2026-09-17T10:10:57.754035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076095
observed 5912f57e6dd9c1d109deb7241efde177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:57.735167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076095/manifest.json
observed 6752f379de6208fb2143c8257bfa90d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:57.715489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076095/publication.md
observed 0ed4d8537447cecb07693f83e25bb913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:57.696035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076095/publication.txt
observed bc09690c4fb4fd0aea40667edf1f6219...
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.