OpenTechnical

OT-2026-000030797

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000030797) never changes.

Identity and time

Publication numberOT-2026-000030797 · never reused
Internal UUID01a0ae74-3fb4-7384-ac87-47f59416b54b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030797
StatusPUBLIC

Content hashes

Canonical texte3caf45ad89ce9964b2c8205e9a143dfb471e1df8e7a1b98831d513ac7cc5ed9
Markdownf9a9605232e1479f88e5f62ccc768640c87a73dbb1d80476bf6a28ce812fc742
PDF
Publication pagea4453e0a34c6927518febef9b68d84713bb5284a5025ebdfc970322c8517be14
Manifest5a081f6d429a70b44a3e9d36c8c88f1f88736f622d59e57b8303b9e4416b4b2c

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/Y/tNbRRxqwBy6SQgAox7urBrEA4sfILUc9FMS2yQpRTXEdovo6fBdmIwL8HUGAVrLS5YojZU7+m+pky8GQfBw==
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

2026-09-17T11:36:45.963811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030797
observed a4453e0a34c6927518febef9b68d8471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.943950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030797/manifest.json
observed 5a081f6d429a70b44a3e9d36c8c88f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.924565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030797/publication.md
observed f9a9605232e1479f88e5f62ccc768640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.903187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030797/publication.txt
observed e3caf45ad89ce9964b2c8205e9a143df...
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.