OpenTechnical

OT-2026-000076424

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076424) never changes.

Identity and time

Publication numberOT-2026-000076424 · never reused
Internal UUID01a0ae94-6a70-748b-a5ce-9323333c4a9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076424
StatusPUBLIC

Content hashes

Canonical text7c4a087965145735d14450eeb4315e68ebae9f437972cff188352a9db5af4965
Markdown5123078e761d629eff7cd9b6a8e811869042c72a208bea302e8c97c20dfc5a87
PDF
Publication page397f989d07ffb234fcff9f3f544601856650865820399eee4849becb3bc90923
Manifest1c8e21e2df1615d5176f2fc0b099a7b20586979ebf53fd194f33d20783a0f679

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
SignaturejyYIRDoUrvwl1g6hP8v5M0ZbLHMC5dPtZm4l9laoIMx7IVqDC/bb3/zpRkb+iShDXwwAZ4dygNTSLSjEs42LBQ==
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

2026-09-17T10:12:25.494507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076424
observed 397f989d07ffb234fcff9f3f54460185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.476030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076424/manifest.json
observed 1c8e21e2df1615d5176f2fc0b099a7b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.455278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076424/publication.md
observed 5123078e761d629eff7cd9b6a8e81186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:24.548318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076424/publication.txt
observed 7c4a087965145735d14450eeb4315e68...
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.