OpenTechnical

OT-2026-000012425

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000012425) never changes.

Identity and time

Publication numberOT-2026-000012425 · never reused
Internal UUID01a0ae6d-39f6-7306-a1c7-70b16fa0e24a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012425
StatusPUBLIC

Content hashes

Canonical text89252537dcc05d324562a39e2cd06d809c3efe5be2f33a15ffb345292bd84c14
Markdowna44802dd75efe98ba5b37b643bb6bdef055af215645b90b62f3155ef28497a70
PDF
Publication page56fc9ff2532bc59bcb6e0373188d54b53b18b6459427c3fc1977e8d7524ed417
Manifest1fbaf2124a4a0953376f00aebba3c899454c9191a1901cc4df7a3006e680f43c

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
SignatureI7CUEHSCjOETIRsi2UsOtCnHdJbWFUOmES0jzJN+DJr6myEaARSwBonejAFd3r3SEL5iALZQKYygd61Q3KQnAg==
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

2026-09-17T12:11:55.353262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012425
observed 56fc9ff2532bc59bcb6e0373188d54b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.333709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012425/manifest.json
observed 1fbaf2124a4a0953376f00aebba3c899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.316828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012425/publication.md
observed a44802dd75efe98ba5b37b643bb6bdef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.300946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012425/publication.txt
observed 89252537dcc05d324562a39e2cd06d80...
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.