OpenTechnical

OT-2026-000037473

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000037473) never changes.

Identity and time

Publication numberOT-2026-000037473 · never reused
Internal UUID01a0ae77-b8ce-73a9-bea1-a59f1a746a20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037473
StatusPUBLIC

Content hashes

Canonical textdb229f08f28f54adbb12f6903f2cc8b229d8ab9191b5b49f2204442ff9cadf6b
Markdown1acdb21119e55f88d99a793c9a208e29c5784788b142b77ac01ad3523f583bd2
PDF
Publication pageddd8f086387f8c320f1a12b8121f51bac81b1602c0123819207c060e91bf0ec3
Manifest8eb841fc2700ec6c4261f647f3798a5ce65d7766f6974f6a7b702e3a329e2726

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
SignatureuNZQcjeWYVlTy6ns7borEQkGfvQxps0mtz7iLUGLZyjHF9KugXpYsWPP7KLKyQsI+bCqzCyy1kWM7ZbMypAgBw==
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

2026-09-17T11:23:54.813140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037473
observed ddd8f086387f8c320f1a12b8121f51ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.794564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037473/manifest.json
observed 8eb841fc2700ec6c4261f647f3798a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.775872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037473/publication.md
observed 1acdb21119e55f88d99a793c9a208e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:54.758378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037473/publication.txt
observed db229f08f28f54adbb12f6903f2cc8b2...
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.