OpenTechnical

OT-2026-000097056

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000097056) never changes.

Identity and time

Publication numberOT-2026-000097056 · never reused
Internal UUID01a0aea1-01c9-7d35-bdd2-bb1f3f066048 · 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-2026-000097056
StatusPUBLIC

Content hashes

Canonical text4e52b1ddbafd305e281bfec25adb2861b6d8dd69260c8e4e4c12c3a691754cd6
Markdowne746cfdd7dc8453297a9c215870d7111ccf871bca019808584eaa3f94ed15893
PDF
Publication page7091c956eab38a7bacbd7f5b62272afe5dcb49b4b073fecefeb8fa7c0f09e46b
Manifestd0213a0ea60b5fd1a9c9ba72079db2bbf3edc0097a25cc480822401c93569ccf

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
SignatureiQFF1m/2Vx/b0GFzq/c8PZc7VsEAfPB+NumCBH3aaZbg52SPdUXGTdjoNbJM/KJArQDceIylZgd3celAHKcaAQ==
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

2026-09-17T09:10:36.674630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097056
observed 7091c956eab38a7bacbd7f5b62272afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.656200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097056/manifest.json
observed d0213a0ea60b5fd1a9c9ba72079db2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.639053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097056/publication.md
observed e746cfdd7dc8453297a9c215870d7111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.620074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097056/publication.txt
observed 4e52b1ddbafd305e281bfec25adb2861...
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.