OpenTechnical

OT-2026-000104065

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000104065) never changes.

Identity and time

Publication numberOT-2026-000104065 · never reused
Internal UUID01a0aea5-341e-7030-858a-af638ae86534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104065
StatusPUBLIC

Content hashes

Canonical texta9ca60785b7084727712770c83a8f3f626e677ccf166c4047a72cea944eba705
Markdown03b48e6334fc78177dcf42f302e0fb6dd4dab8d35c0d79a8ed6fbdbebe97d5e0
PDF
Publication pagec438ce1c5fa1eab4c85260be7295a55e98211b0a531317699d09f8ee46fb67ce
Manifest2b6ae3ca2a9479b0d2f4094ff7236ccc3e35d19091d8ff29ccbb282bc8fef79f

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
SignatureKK2Q63i9oIkItsq+cnhGbJB22ToKBEi4XY6zeh1yM6NoAW9c8ep5cawKf1S2W5pmmVlx+/ehj1/j1LLO9nIWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:08.013994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104065
observed c438ce1c5fa1eab4c85260be7295a55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.996562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104065/manifest.json
observed 2b6ae3ca2a9479b0d2f4094ff7236ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.979639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104065/publication.md
observed 03b48e6334fc78177dcf42f302e0fb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.963431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104065/publication.txt
observed a9ca60785b7084727712770c83a8f3f6...
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.