OpenTechnical

OT-2026-000066091

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000066091) never changes.

Identity and time

Publication numberOT-2026-000066091 · never reused
Internal UUID01a0ae8e-8dc2-794e-8330-28f14626a8f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066091
StatusPUBLIC

Content hashes

Canonical text3f96123fbc14c4f96861bf8ca95f3b073f15c3b34239c0994e586d90e8df99a7
Markdown4b1e26b2278ef5a1804f5520f4ad40c05f84cde6d6096a7d74f346812ad8223f
PDF
Publication page3f894e890a1ba800688892f18a4b030e890e553bf5f6aed9028fdbd2b5bf68f7
Manifestde7137c23e08ab99ab74550bf24bd004ccbac125de89397b05e4cc2c85f5738d

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
SignatureuGjR4pAGJVrBVXWw7ZtHXgrJUsUX0Xg0ddqJKdBPfPPoDEXKSFrmn1+OVRvYkdxMUan8wORxuSwYM6HiyeK5Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:46.759912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066091
observed 3f894e890a1ba800688892f18a4b030e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:46.741791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066091/manifest.json
observed de7137c23e08ab99ab74550bf24bd004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:46.724562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066091/publication.md
observed 4b1e26b2278ef5a1804f5520f4ad40c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:46.582068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066091/publication.txt
observed 3f96123fbc14c4f96861bf8ca95f3b07...
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.