OpenTechnical

OT-2026-000056343

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000056343) never changes.

Identity and time

Publication numberOT-2026-000056343 · never reused
Internal UUID01a0ae87-4bd2-726d-9318-913fbf1bb691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056343
StatusPUBLIC

Content hashes

Canonical text99a3a17122b52a8f8421edd59cb527fd9cbe54006e6603510c33a5e10a9986d6
Markdown0d862f882edd157defede6a8993eac06aaac5cd121768f53b577f88e01985dcb
PDF
Publication pagef5fbb4e9989cd48d0c3c5c2a9f6a1b381ac36704a35f03cd0abe92ee301ba47d
Manifest5c0ad5232449c85d9ca7eee4a4acac9452a1be1141d0db577de72423d857fa10

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
Signature/PQQcShlHzINaLyGBxdBKzOPoXj2Zg80Xu7yVMDMvHJ+7ojtZDAXzDbWaYuLSxWCq/mU1sqbnst1mYWPAzHcAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:51.137521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056343
observed f5fbb4e9989cd48d0c3c5c2a9f6a1b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.118377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056343/manifest.json
observed 5c0ad5232449c85d9ca7eee4a4acac94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.100221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056343/publication.md
observed 0d862f882edd157defede6a8993eac06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.082172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056343/publication.txt
observed 99a3a17122b52a8f8421edd59cb527fd...
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.