OpenTechnical

OT-2026-000022695

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000022695) never changes.

Identity and time

Publication numberOT-2026-000022695 · never reused
Internal UUID01a0ae70-46e9-7948-9bb5-6615d98369a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022695
StatusPUBLIC

Content hashes

Canonical text8cecfb4b00d378b0c29a43502e252ebdf88214877a8f37e5cf167132d2d68ded
Markdown041f5e337bed434515e19840e1ec55f8ececb42e6802f73abadfa3ff62d67438
PDF
Publication pagec7d9e3fc87593393c536bd71a616939fe5e8a38624976963d412abafedd482c3
Manifestfad402a54e6cb019d637da92b1edce5a835712299a5bf44c8ded3d2ed444a5c7

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
Signature8O586at8aJP5uIfAyDo8agj34RUkXfJV96O3KaFqd6Fh35htpp/hwJ+ZTiXFmr6wqlX4ts/Y0y1Af9VFU0I0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:05.222410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022695
observed c7d9e3fc87593393c536bd71a616939f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.205304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022695/manifest.json
observed fad402a54e6cb019d637da92b1edce5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.187054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022695/publication.md
observed 041f5e337bed434515e19840e1ec55f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.166725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022695/publication.txt
observed 8cecfb4b00d378b0c29a43502e252ebd...
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.