OpenTechnical

OT-2026-000097693

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000097693) never changes.

Identity and time

Publication numberOT-2026-000097693 · never reused
Internal UUID01a0aea1-92f4-79dc-990a-67eed40d43c9 · 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-2026-000097693
StatusPUBLIC

Content hashes

Canonical text709dfa7a95af1c708565696f88293d73d8514c14584bb1398172b77bcd4be4fc
Markdown33d3f287d7252e1e6b81a4f96b8dca860bb3c69a81d7e75fe00d4beed03f284c
PDF
Publication page09bcd222ef40e308bce47c0e6d90f0f1e15adc3b29771c0a2c9e3ef7febb2741
Manifestce77ca6432d4494431826a037a46da591d7e721eb4b5e296b2aae806d58e6936

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
SignatureLLl8QtRveyzHDlKo6hiw8Zl//TpeOXvpIR1jYAiXNpezze3sMdcSpIDDBoMSqU9NkfGjrsKtuoiRuiNEH69cAw==
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

2026-09-17T09:32:42.990962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097693
observed 09bcd222ef40e308bce47c0e6d90f0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.973130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097693/manifest.json
observed ce77ca6432d4494431826a037a46da59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.955193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097693/publication.md
observed 33d3f287d7252e1e6b81a4f96b8dca86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.936076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097693/publication.txt
observed 709dfa7a95af1c708565696f88293d73...
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.