OpenTechnical

OT-2026-000077591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077591) never changes.

Identity and time

Publication numberOT-2026-000077591 · never reused
Internal UUID01a0ae95-2ece-711b-9b07-bf86031a56d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077591
StatusPUBLIC

Content hashes

Canonical textb8ad8cf73727e95a1e0c1d08cc6c2fadd9deba823f3498ebecc57cca96878a35
Markdownfbf6db3e1fa0c532c3abe5b82104c06adb8137c549cd971a49a9b029e95811da
PDF
Publication page9997288c78af7d4d380f92c0e92aee06500e86bf762ae80714924375ecedcdec
Manifestc98882fc9352f9cddab0d42a0cbd1b7b1b1f197bac19fcfd326542bd51443c78

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
SignatureeFaU3av/3g28OvrUA2WTAR7U3UslW1gf9X8AHTjSoKd33UHkewIahf239ggRKWqrRHF4qoImC8rO+Zi9+ugFCQ==
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

2026-09-17T10:07:04.351299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077591
observed 9997288c78af7d4d380f92c0e92aee06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.333200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077591/manifest.json
observed c98882fc9352f9cddab0d42a0cbd1b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.314514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077591/publication.md
observed fbf6db3e1fa0c532c3abe5b82104c06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.295263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077591/publication.txt
observed b8ad8cf73727e95a1e0c1d08cc6c2fad...
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.