OpenTechnical

OT-2026-000040746

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040746) never changes.

Identity and time

Publication numberOT-2026-000040746 · never reused
Internal UUID01a0ae79-6d0f-784e-85d0-93a29f47bcd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040746
StatusPUBLIC

Content hashes

Canonical textf8f014a53af75d625a525f0ac8132476321e17e9759c213688309e6385a86161
Markdown009138e55e24ff9d58c5f31b220a481df5a23771e09c1697d223d2a8741a46ea
PDF
Publication page86860f3cf0a74502e8691a9a6e312f841a35cb7793146798cbd9f37485872acd
Manifest3e3d28d623e053ef51a53c7c7152c88b24e4d744501349ecd00dcc91b0d754f0

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
Signature+WHjbhtrCoM5yE6Id/UlBDejPe62IDVWd2mui1pJ5v0/duCrHYvp3NOBmpQEOXI7KSWtboYjfYyA2gW/J2QeAw==
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

2026-09-17T11:18:01.361729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040746
observed 86860f3cf0a74502e8691a9a6e312f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.343694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040746/manifest.json
observed 3e3d28d623e053ef51a53c7c7152c88b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.326893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040746/publication.md
observed 009138e55e24ff9d58c5f31b220a481d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.309872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040746/publication.txt
observed f8f014a53af75d625a525f0ac8132476...
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.