OpenTechnical

OT-2026-000013908

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000013908) never changes.

Identity and time

Publication numberOT-2026-000013908 · never reused
Internal UUID01a0ae6d-8dea-715f-85bd-f2952226c962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013908
StatusPUBLIC

Content hashes

Canonical textd01c38a9b8d387860ef457fdf605042e839910d8b9d2764a7a6124e1b4a46e06
Markdown197d20c79b99824d23cdaa03f150edade203db4c7a0a0381310f802c323717a1
PDF
Publication pagef10ab9b6d17b54a8281266db593e78b03c0af3a055bc246742e1afde3038fd22
Manifest6f497be90aa389a16abce189cf94155d48df03d46a0dea300210b7f84eea593d

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
SignatureSv6K+Kvxx9rKiKl+bEAdeWzNY92CatrsRAaBM2x3TG1Bf3okqHzJwOk3aH66Ngqost4Ce5wYxOzq7ldZWHUKDQ==
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

2026-09-17T12:09:02.218445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013908
observed f10ab9b6d17b54a8281266db593e78b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.199786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013908/manifest.json
observed 6f497be90aa389a16abce189cf94155d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.181427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013908/publication.md
observed 197d20c79b99824d23cdaa03f150edad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.162798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013908/publication.txt
observed d01c38a9b8d387860ef457fdf605042e...
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.