OpenTechnical

OT-2026-000059573

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000059573) never changes.

Identity and time

Publication numberOT-2026-000059573 · never reused
Internal UUID01a0ae89-ec23-79b2-8f0b-54b3bd87d208 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059573
StatusPUBLIC

Content hashes

Canonical textf41a2ecaa910faf927e07cb6c06272ae723041ce2001de0406df51921543cbf4
Markdown7a43e02bd2525422075a2cb64182922bbd8e953a16ce6924394975133e7feedc
PDF
Publication page45ac0361a11a92789e440fba7c327fdfc1fe2727060350bf44a3c7301d91c6e7
Manifest1e8b0950969e68f58862a4dd4c690c617e04c49c0f6596143567b60b69b19234

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
SignatureLPX4H7fHd+7oqxPLISALmr2eeCoAdQ+vKc68F45JCb9RCOfeKsXmhBpm4inSkPbHY+HbSGWZnlJu+RqgtM8tDw==
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...

Independent retrieval

2026-09-17T10:44:13.257207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059573
observed 45ac0361a11a92789e440fba7c327fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.238845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059573/manifest.json
observed 1e8b0950969e68f58862a4dd4c690c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.221034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059573/publication.md
observed 7a43e02bd2525422075a2cb64182922b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.204578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059573/publication.txt
observed f41a2ecaa910faf927e07cb6c06272ae...
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.