OpenTechnical

OT-2026-000018097

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000018097) never changes.

Identity and time

Publication numberOT-2026-000018097 · never reused
Internal UUID01a0ae6e-96fd-7b49-84e7-6350b9629197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018097
StatusPUBLIC

Content hashes

Canonical text595f0994a95fb26451f14bac2a0c6208d7a22e1983f062153e1c372b8320271e
Markdownfe4cf6d5fa1c6736729e4092fbf2a693373c109bdd196b929817d90479ccdc26
PDF
Publication pageb66498ed7b46d10a2cbcd6dd1a3e3ea7ccbbf4beb6c2dd02009fbb444ef998af
Manifestcfb5d1e42ed0f73021a53c63426adac4243b6bf20f7b3cd5a68e48ee3e4f738a

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
Signaturefn5Z2WI0ioz77hwR521+YHT6dLZzflCfDDbvAgncnA6ruwWpPBBwxobu09AD8Jz0QgU5DzYtXPH9Yu+KcTktBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:08.617081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018097
observed b66498ed7b46d10a2cbcd6dd1a3e3ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:08.599397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018097/manifest.json
observed cfb5d1e42ed0f73021a53c63426adac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:08.583625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018097/publication.md
observed fe4cf6d5fa1c6736729e4092fbf2a693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:08.568126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018097/publication.txt
observed 595f0994a95fb26451f14bac2a0c6208...
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.