OpenTechnical

OT-2026-000019046

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000019046) never changes.

Identity and time

Publication numberOT-2026-000019046 · never reused
Internal UUID01a0ae6e-d523-7bc6-8880-d74262bbe930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019046
StatusPUBLIC

Content hashes

Canonical text123a812ea62b3c7e23a9a787f5a18fbaa07ef0a61f95e378be31c6e911150071
Markdowna8c738a47e4fc9321e65ad84621427a84ede8114a85212cba0484a35c09aeae7
PDF
Publication page1f4db6372c315b8928a5a4e3256e01023efeb1f8695461b276d61397f4072165
Manifest60ecdef3a46608e157cd756f11954e446e4c8a1e26f8264a42a1462a2416d3ad

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
SignatureU2zEWqLBp5QW/MyPxHBttjO3WKp/uW9PiHGtdF7jDMmz1GHe1iicE8rEBMTM6BE3mYNYGJdr7GVQZYNMVCXWDQ==
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

2026-09-17T11:59:44.372680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019046
observed 1f4db6372c315b8928a5a4e3256e0102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.355183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019046/manifest.json
observed 60ecdef3a46608e157cd756f11954e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.337097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019046/publication.md
observed a8c738a47e4fc9321e65ad84621427a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.320057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019046/publication.txt
observed 123a812ea62b3c7e23a9a787f5a18fba...
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.