OpenTechnical

OT-2026-000038487

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038487) never changes.

Identity and time

Publication numberOT-2026-000038487 · never reused
Internal UUID01a0ae78-2d53-7974-b0ca-f34e3e5a7b20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038487
StatusPUBLIC

Content hashes

Canonical texta63c47658f80ddefb116294cc90a45852163d8f08fa01b2f190fa522f362ee11
Markdown57f0bf0c0d6c5f275939813c69ccb7a76a75b0456b885dd4e8100abdda78453e
PDF
Publication page28594e3e2dbfdac393925fbd2bb5688b9f8ba3e811929019dc6cbc40131a2e80
Manifest932b7a81ae1367626aa10d4fe8787ebd96aaa464897076651e1a8d45dc2cd208

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
SignatureiHxZ7sv8vAi3O7hvWlb6YN671GMPRI87Of0KTQMQArTzTsPblAdF+fkqyV8eJiLTHm3bvzfBHAH3z6UuYNFxCw==
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

2026-09-17T11:22:43.673836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038487
observed 28594e3e2dbfdac393925fbd2bb5688b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.655802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038487/manifest.json
observed 932b7a81ae1367626aa10d4fe8787ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.637122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038487/publication.md
observed 57f0bf0c0d6c5f275939813c69ccb7a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.619671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038487/publication.txt
observed a63c47658f80ddefb116294cc90a4585...
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.