OpenTechnical

OT-2026-000045055

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000045055) never changes.

Identity and time

Publication numberOT-2026-000045055 · never reused
Internal UUID01a0ae7c-f768-7bb8-8c65-8b6354073fc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045055
StatusPUBLIC

Content hashes

Canonical text6bab598393380e3d8dfd15bca854e27a1c3f0980d899186e6d0c7c6d6641fdb6
Markdown2b7221a13141f81a55613d31004dbf2c3bb0f650c9e326cfcd1bec4a7e27558e
PDF
Publication page5e8bcc677dd0ca2928c0302b5d8fb17d41892f50466e274e085353892f9805ee
Manifestcb299143e09d5436c8baf62e286aa081309b107fedb4e91aab756e965f3c4177

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
SignaturePzzrIdAL7pS8Rx9TxG4tcrU9BZbsCur+9epcgInxxTZW8XJdfVlkg2g2hUbpWi7yWP7GsW46XA0QVtyT72k+Cg==
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

2026-09-17T11:10:04.782795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045055
observed 5e8bcc677dd0ca2928c0302b5d8fb17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.764488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045055/manifest.json
observed cb299143e09d5436c8baf62e286aa081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.746420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045055/publication.md
observed 2b7221a13141f81a55613d31004dbf2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.726549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045055/publication.txt
observed 6bab598393380e3d8dfd15bca854e27a...
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.