OpenTechnical

OT-2026-000013101

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000013101) never changes.

Identity and time

Publication numberOT-2026-000013101 · never reused
Internal UUID01a0ae6d-5565-7bad-b89c-07ebf4ab218b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013101
StatusPUBLIC

Content hashes

Canonical text87deb73ec872c559555d1b7537be1caeed600b6f0f41e7cd5d26ce75f5e79a30
Markdown25562ac93f8b639942981c651e0c418ecdab782aa57e1bb7050da7410391833e
PDF
Publication pagecaddbafdc0b785528beb7ff78736b36e9573b2521b718d66d503f651023168d1
Manifestf12dd24f5b6ce4fbf4d880ba3f98c712ea50893045c4e327fa40bdfa4d5cfaf3

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
SignatureihmnjGFRHrxjwK8f+GkPGz2C/akSEXRtYPBaQ+/J4ZhfacitG/U6kmECw47QbFX0y+Gc5sIn+Zpy27JzoSh4Dw==
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

2026-09-17T12:10:57.179171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013101
observed caddbafdc0b785528beb7ff78736b36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.160718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013101/manifest.json
observed f12dd24f5b6ce4fbf4d880ba3f98c712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.141448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013101/publication.md
observed 25562ac93f8b639942981c651e0c418e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.122234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013101/publication.txt
observed 87deb73ec872c559555d1b7537be1cae...
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.