OpenTechnical

OT-2026-000067759

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-2026-000067759) never changes.

Identity and time

Publication numberOT-2026-000067759 · never reused
Internal UUID01a0ae8f-c4fa-75a0-8ff6-20d33b267cfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067759
StatusPUBLIC

Content hashes

Canonical texte92ed48ea2931183c4fd99d4ba51bd5c09261590ab5257b6bb4fd84c8f690eef
Markdowndc3e3621f5750fec3be5399a151d5ecdef147512749cd096d7dcb110911f7ce5
PDF
Publication pagea6495e7ac8093ae39c8da3da4aaaf387c315378d4ea67537de73f68612c0c8c0
Manifestf3cb088d80aad6ba42ddc325e5122d0309c6045dd477e007f704f7a54793d3fc

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
Signaturer3+hzMsqy4tPSzmbKVQRY7XOl39TMxeHEyky4SSWkFSM39zgvibDNmqDY9o6aGtKvM7tAlc0ad0/+bdfJakWBg==
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

2026-09-17T10:29:59.251884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067759
observed a6495e7ac8093ae39c8da3da4aaaf387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.234913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067759/manifest.json
observed f3cb088d80aad6ba42ddc325e5122d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.217378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067759/publication.md
observed dc3e3621f5750fec3be5399a151d5ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.199898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067759/publication.txt
observed e92ed48ea2931183c4fd99d4ba51bd5c...
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.