OpenTechnical

OT-2026-000013909

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013909) never changes.

Identity and time

Publication numberOT-2026-000013909 · never reused
Internal UUID01a0ae6d-8dea-7a79-9001-faf195e8416b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013909
StatusPUBLIC

Content hashes

Canonical textd2ff8d0692dc8f1ed2cd37f7d3ea41c4f4b2435b296a54f5b162010f0ae16e52
Markdown0c5e1643c4268d1d53e29c9ebb9a4d9ad5f639bff9e313b6c37a256055143bfc
PDF
Publication page37506ebc81f7b2d1bb1077aa40f29d709725395e94988c1861a1b9290b3118a7
Manifest06432968de16bbc4f1632463131781170c905015f97c20677fd3bbe593e1472b

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
SignatureZ0qvsE2j0WvUkXp31p5D+q8Ku+U8GUXDup9WVCSyR7sXdOzGaNlPGz7fRPJ9HWkjwISWErPNhmUYvWDiUflCAg==
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

2026-09-17T12:09:02.295627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013909
observed 37506ebc81f7b2d1bb1077aa40f29d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.276965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013909/manifest.json
observed 06432968de16bbc4f163246313178117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.257893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013909/publication.md
observed 0c5e1643c4268d1d53e29c9ebb9a4d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.239806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013909/publication.txt
observed d2ff8d0692dc8f1ed2cd37f7d3ea41c4...
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.