OpenTechnical

OT-2026-000089166

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line 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-2026-000089166) never changes.

Identity and time

Publication numberOT-2026-000089166 · never reused
Internal UUID01a0ae9b-db00-7b23-b16e-3ac57787c976 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089166
StatusPUBLIC

Content hashes

Canonical text7908b8c12eed1ff74ef23f35765b762010d4b576dc5ca14d41aeaf1d2a3c1022
Markdown42c9046b1f3f8bd1818cfc05d40f185715fff2ea281d4c49f8d208410e70266d
PDF
Publication pagecd5609672a49b9002656e5695462e2fdbb7b4eb6fb67f2c86325bfbde0881e99
Manifest6501047b978c3cb5bce6ed4159c633b8689c768fc43f34882333e64d73309190

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
Signature6PwV6C6GTSFd1W63Ndg4BoLqd0hU2qEFQLUORN2zKZtUqtOEg4jcRZ+RkPJCdBycXEmkuz9MIYiD3x/HQVK1AA==
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

2026-09-17T09:47:10.344687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089166
observed cd5609672a49b9002656e5695462e2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.325926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089166/manifest.json
observed 6501047b978c3cb5bce6ed4159c633b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.307891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089166/publication.md
observed 42c9046b1f3f8bd1818cfc05d40f1857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.288263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089166/publication.txt
observed 7908b8c12eed1ff74ef23f35765b7620...
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.