OpenTechnical

OT-2026-000097795

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000097795) never changes.

Identity and time

Publication numberOT-2026-000097795 · never reused
Internal UUID01a0aea1-92f6-7ecf-a8f6-f64ddfa2e080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097795
StatusPUBLIC

Content hashes

Canonical text18d7643ce836f334b9848441afc5fdf8e146aab277a7ee301bd01c622a9245a5
Markdown7c4946fff4d705a7bd84e6e20783d75c0473a6294a3742405d3147c26079df44
PDF
Publication page212bb38f8a0a5c43fd6fa28715d3d7be3b99037c3edcfcf34d5e7b013ff76792
Manifestf7cdece695bcc31c618316118f6eaeb3656e0b0dabc0adea3715aeaa786f59dd

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
SignatureOtaBVeMFDT5V4MYJ8Lq5AwyDt2XFt/XKlPBohmCE6XA4jnjwhgkU0mZqd1hr+Q1mxssRc+MFb/iPXo0CgQXVAQ==
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

2026-09-17T09:32:52.586401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097795
observed 212bb38f8a0a5c43fd6fa28715d3d7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.567838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097795/manifest.json
observed f7cdece695bcc31c618316118f6eaeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.549751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097795/publication.md
observed 7c4946fff4d705a7bd84e6e20783d75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.532311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097795/publication.txt
observed 18d7643ce836f334b9848441afc5fdf8...
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.