OpenTechnical

OT-2026-000063667

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000063667) never changes.

Identity and time

Publication numberOT-2026-000063667 · never reused
Internal UUID01a0ae8c-f946-76c9-9ec4-1f6e4f0e45f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063667
StatusPUBLIC

Content hashes

Canonical text8b845157384650d693037ccc45522444f23776a31ce9bb431685cee2060feca8
Markdown020563e28caf0c6e7192045bdfafbc39da6a355379e74772c2639c7bbaefcf9d
PDF
Publication paged6f97d4fa548de46617cfadd8086e9e296d4c079ae04e29f140b6c6dfd2bbef5
Manifest831ee3d2ed3bda8ef69d838e9131cac31cafb2222501c934a54f75025865bebc

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
SignatureemZKwVr/LmT4Z4pmmxM/TBgvAtT8g3qyBOUwTAfO+B8Dv42di4AdkA3359Q95+RhTbYzDyK2/Ie4PcewuQxgAw==
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

2026-09-17T10:37:46.736191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063667
observed d6f97d4fa548de46617cfadd8086e9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.717915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063667/manifest.json
observed 831ee3d2ed3bda8ef69d838e9131cac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.701182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063667/publication.md
observed 020563e28caf0c6e7192045bdfafbc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.684244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063667/publication.txt
observed 8b845157384650d693037ccc45522444...
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.