OpenTechnical

OT-2026-000074494

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000074494) never changes.

Identity and time

Publication numberOT-2026-000074494 · never reused
Internal UUID01a0ae93-717a-7dfe-85f0-f9f35c6f9d37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074494
StatusPUBLIC

Content hashes

Canonical text1d3cd5498925f811c22e97ba2217eff605466a5bf0900dfc1cf97a21032c90bd
Markdown444a202621899c1355efe4e4b39cc8f1a5a0558b771f3c97aaa88a687d2e34ee
PDF
Publication pagec7f3b04df66637e71c2c5a3d1e87dc1982584141ed71f68d3c36d84c49df464d
Manifest2df9db19cd6d14ce1ae10f087d7ab378d2b12e87260e6069ddf1e6a539a65fa1

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
SignatureqQZTXTfjFZLTnu/UcdSdcRQl2y73Q4CxAXgX0qqjUdpUtPoyVFP1qNzB0inEzouJxWUT+OjU4EL4iV/WDhmrDg==
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

2026-09-17T10:19:27.793898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074494
observed c7f3b04df66637e71c2c5a3d1e87dc19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.775423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074494/manifest.json
observed 2df9db19cd6d14ce1ae10f087d7ab378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.754925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074494/publication.md
observed 444a202621899c1355efe4e4b39cc8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.735260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074494/publication.txt
observed 1d3cd5498925f811c22e97ba2217eff6...
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.