OpenTechnical

OT-2026-000066559

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000066559) never changes.

Identity and time

Publication numberOT-2026-000066559 · never reused
Internal UUID01a0ae8e-ce41-7a94-96b6-0c626d5c4a14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066559
StatusPUBLIC

Content hashes

Canonical text64c984d98aae287ac926dfd14e59a09f3503d92615deea3fc8b37a42a21cb3bd
Markdown7674859db03917c2e3402f4374e71ed930bf9a1fe093152046b080b7b00b60ab
PDF
Publication page2e49029ae9b5913f6602a43f4604a67386c162033aaaf0e3c0fa437e4a43dfcf
Manifeste283375db35175982309be2e458fcd737c8d3ac3cc4ce2a6ddfacaeb6e697b8c

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
SignaturekRzpVx7+Wz5mfWz5xvLMAUy3Yqpmu4muCjFtEFRgXrEECHPzHl23biBYciuBoHB4RFcCQ2Ex0p17KVYXODiOCA==
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

2026-09-17T10:32:49.728200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066559
observed 2e49029ae9b5913f6602a43f4604a673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.709111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066559/manifest.json
observed e283375db35175982309be2e458fcd73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.689731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066559/publication.md
observed 7674859db03917c2e3402f4374e71ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.673267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066559/publication.txt
observed 64c984d98aae287ac926dfd14e59a09f...
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.