OpenTechnical

OT-2026-000099401

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000099401) never changes.

Identity and time

Publication numberOT-2026-000099401 · never reused
Internal UUID01a0aea2-c973-79e1-94fa-037c473ba45c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099401
StatusPUBLIC

Content hashes

Canonical text5c15cfa4af0ff6a70b729bc33d6c627cbb4a022461699f677f4a9af3b990ec73
Markdown6ad5acfcee86473ddf29b41f7fc8ed4485ac8fef037e7e06ea22d7569d1b0b88
PDF
Publication page7708c471b694448991d4940d6666bc53ddcdb3f9921334fac1c0cf5c3c0afa56
Manifest98abd1868195774147a8d356bc99ab420a06e040dce498aa534ca1166da769bd

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
SignaturesHix7rufk4utXeuO71I9yT/akkKOnrb5KQLmiVHj7h3WHYFJ8gsbWNonOM6fBwmQWQXQ06qHCZyiZCW3rsFiCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:10.018406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099401
observed 7708c471b694448991d4940d6666bc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:09.999804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099401/manifest.json
observed 98abd1868195774147a8d356bc99ab42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:09.982295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099401/publication.md
observed 6ad5acfcee86473ddf29b41f7fc8ed44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:09.963898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099401/publication.txt
observed 5c15cfa4af0ff6a70b729bc33d6c627c...
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.