OpenTechnical

OT-2026-000029409

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000029409) never changes.

Identity and time

Publication numberOT-2026-000029409 · never reused
Internal UUID01a0ae73-5e20-78f4-9bdd-1b28ded7010b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029409
StatusPUBLIC

Content hashes

Canonical text898b78ab9d369e3d6c839881fe9f8997897e211f2a42d27679a9809ae5e8c87d
Markdownf217bc61474814ec22e2ed27b0d40023183a73db436e71ec85ecb88cf4c94279
PDF
Publication page145d9a5c06c556f686a245d80a27f9f7dc315a5cff8339004654d10c8c010a25
Manifest11ba4d0b8d866664cb26d169078092a3a9b144c52ba0be3ab905ff1b3370c424

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
SignatureG9cQ1IjQZhUZi4GuWeBf/2zzsaA5HNvZZk93A6tdBew7Xg/mkcygDmnshWEom3J47LJ+WLFMiDWZPUgd4lggDw==
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

2026-09-17T11:39:00.661170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029409
observed 145d9a5c06c556f686a245d80a27f9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:00.643450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029409/manifest.json
observed 11ba4d0b8d866664cb26d169078092a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:00.624772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029409/publication.md
observed f217bc61474814ec22e2ed27b0d40023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:00.601962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029409/publication.txt
observed 898b78ab9d369e3d6c839881fe9f8997...
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.