OpenTechnical

OT-2026-000077135

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077135) never changes.

Identity and time

Publication numberOT-2026-000077135 · never reused
Internal UUID01a0ae94-f507-710d-b669-b9b95b63a2c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077135
StatusPUBLIC

Content hashes

Canonical text58fa332f3398517102f51aa5cbdc28ee66e5b7ba643257183ba37b3b30f11569
Markdown5eb07ecab18347ad9a54db1e93ca1ce936e4c2621e4aa4aef39f6e31884bed8d
PDF
Publication page981da97f79e6efa5dd2151817f8637d34016e4756abe5838c76a53de8ceb4a3c
Manifestc17d30e9543f256b4b5431ec43e2612f336712934616e5469c3c88d8fd4955db

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
SignatureM/BmSMUfEoyJLpUPzGPxk8KPHFMRAR7l8rFAIXzYPasy0s3SSHVhXWyZ5BLficrGIIHIOAuD+hgISDNQNYGsDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:42.715125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135
observed 981da97f79e6efa5dd2151817f8637d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.695218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135/manifest.json
observed c17d30e9543f256b4b5431ec43e2612f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.555389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135/publication.md
observed 5eb07ecab18347ad9a54db1e93ca1ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.537613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135/publication.txt
observed 58fa332f3398517102f51aa5cbdc28ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.583654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135
observed 981da97f79e6efa5dd2151817f8637d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.563620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135/manifest.json
observed c17d30e9543f256b4b5431ec43e2612f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.543938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135/publication.md
observed 5eb07ecab18347ad9a54db1e93ca1ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.525035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077135/publication.txt
observed 58fa332f3398517102f51aa5cbdc28ee...
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.