OpenTechnical

OT-2026-000066828

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000066828) never changes.

Identity and time

Publication numberOT-2026-000066828 · never reused
Internal UUID01a0ae8e-ce43-790e-896a-f6413d38ac69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066828
StatusPUBLIC

Content hashes

Canonical textcb0172c93a7c17550c3ef5095b45986eb151a51bffb4205ec59c52ba4b53b97e
Markdown7e166f46080f5941e8d198095fa748651afcdcdcde831b5f8547d7e16b4b1e22
PDF
Publication page9265ad4d7b62e2764c7753a1e3312d0c3d2becc5f1e10af2bc5ffd44914622a8
Manifesta7dfb5f35d7901c7bf9c4d9306fa8d88b83e941cd4b89063ec77609860adac22

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
Signaturefz6IORcSEA0er/qac0RpBDEhBmhXTFObYrG0DcXxSpsxtflpmPNMpRyHvygJD2rTQhdywA7aH367nurq/FQrCA==
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

2026-09-17T10:33:15.683814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066828
observed 9265ad4d7b62e2764c7753a1e3312d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.665142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066828/manifest.json
observed a7dfb5f35d7901c7bf9c4d9306fa8d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.648366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066828/publication.md
observed 7e166f46080f5941e8d198095fa74865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.631919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066828/publication.txt
observed cb0172c93a7c17550c3ef5095b45986e...
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.