OpenTechnical

OT-2026-000097015

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000097015) never changes.

Identity and time

Publication numberOT-2026-000097015 · never reused
Internal UUID01a0aea1-01c8-73c2-840b-095aa4df21e2 · 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-2026-000097015
StatusPUBLIC

Content hashes

Canonical text03f02ef1623fb1b13a047cb5181d17bd8a8bb1815a9fc37444990a3aa566f209
Markdown690e0048ff049d4a4a0f2cca0f043da9818b9345b4ccb08d8da3e858caeabcb8
PDF
Publication page1c619d547df4eef27675efb6f83607d0f937fec05fd7a9cb9e3eed70381c1014
Manifest2b891e3e134fcfc1c88c450918165e104b9a134be29fe4dee52b54eaf0ee33e9

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
Signaturez6el5dXlZ8vbfJYLZaLwnXc5NGg4kzQbFtg5KAmDMEmRFuBVMeyHDI3LX2b7ByidG88ConEFwhIG5f4rn94TBA==
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

2026-09-17T09:10:29.659882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097015
observed 1c619d547df4eef27675efb6f83607d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:29.637157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097015/manifest.json
observed 2b891e3e134fcfc1c88c450918165e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:29.618721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097015/publication.md
observed 690e0048ff049d4a4a0f2cca0f043da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:29.599089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097015/publication.txt
observed 03f02ef1623fb1b13a047cb5181d17bd...
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.