OpenTechnical

OT-2026-000104197

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104197) never changes.

Identity and time

Publication numberOT-2026-000104197 · never reused
Internal UUID01a0aea5-3420-785c-8758-4dd52699ab55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104197
StatusPUBLIC

Content hashes

Canonical text9d6760dd9d98819d05c6d43ea32ae147ec2891912cb984c854c1af21e7c5ec26
Markdown7ff35b90727a98d1039fc7e786eb51488840325e4c11eae284192890eaba4124
PDF
Publication page91f6eb9cbbbe01be5dd5df09ae4694ce930e6c4158da2ebe621745f0f8d6808f
Manifest9b354a474535ea03cdf0c87febf1263fcaac1cc2d17deffa4748b7ea0de94b39

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
SignatureuEt3ASU6Hw9m7DsL62y9GMGez65/5v5knOUpYwFWuNlIG35j2KgwdkLkyOwsTu84DRxBGnNYgMQz1XC2R8yrAg==
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

2026-09-17T09:20:17.697995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104197
observed 91f6eb9cbbbe01be5dd5df09ae4694ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.680735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104197/manifest.json
observed 9b354a474535ea03cdf0c87febf1263f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.664960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104197/publication.md
observed 7ff35b90727a98d1039fc7e786eb5148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.647996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104197/publication.txt
observed 9d6760dd9d98819d05c6d43ea32ae147...
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.