OpenTechnical

OT-2026-000016932

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000016932) never changes.

Identity and time

Publication numberOT-2026-000016932 · never reused
Internal UUID01a0ae6e-591a-7ddb-a249-9ec5be2205b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016932
StatusPUBLIC

Content hashes

Canonical textf40d0016576163d8701a29b03d2ef49f2a8b0b61eb85f3a070c95002b647b19d
Markdown16bdbaaf5d2cea9a5d05955523a197f558d0532b844ee168cfb3db06626ecefa
PDF
Publication page03a2a8c3131b9808012ee4611bd492897877b5b599bf8adf6c3c0fbe63de9bec
Manifestd83da2f21f5478e572f7c167ee75f8e6a6cdb8602c0f3c5bdad4e5e6c7635605

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
Signature3ULrOHIpN8MShtIXwcBmD7O+4rC8s+3BJejwCNdOvB0OQfv01KJ+CrSSmwrwYSD/BnOZE9ihjDxodJ94ej9VAA==
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

2026-09-17T12:03:12.892407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016932
observed 03a2a8c3131b9808012ee4611bd49289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.875055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016932/manifest.json
observed d83da2f21f5478e572f7c167ee75f8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.857677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016932/publication.md
observed 16bdbaaf5d2cea9a5d05955523a197f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.839810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016932/publication.txt
observed f40d0016576163d8701a29b03d2ef49f...
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.