OpenTechnical

OT-2026-000039309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000039309) never changes.

Identity and time

Publication numberOT-2026-000039309 · never reused
Internal UUID01a0ae78-9674-7dd7-a4a9-6c3e8a4399d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039309
StatusPUBLIC

Content hashes

Canonical text8beddfd49e2dacb72a54bd8033806b23ee51e57b259120f9e5737ff495b1dbeb
Markdownf1e3aca70d2b6e336c4aa73f3c5fe689ccbf621d585f38a867d36e8afbad8b6e
PDF
Publication page0ff75c9317a57ede64075c9ae45d7ac22fe467e0dc38d2644de91afbf365fd4d
Manifest660ff17bc26cfe911d1baa9f2ce4ac09c71265eaea8bac715113bcda1517ed41

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
Signaturel8fvZG6j5bhJW0yJZBDYAlTDP7YVwCaByNjHc3oljOlNdht0D8+V4JCU+HYRrafRT2tEX2YQXpE+z48r+ZcLAw==
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

2026-09-17T11:20:53.904901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039309
observed 0ff75c9317a57ede64075c9ae45d7ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.885757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039309/manifest.json
observed 660ff17bc26cfe911d1baa9f2ce4ac09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.868118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039309/publication.md
observed f1e3aca70d2b6e336c4aa73f3c5fe689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.851106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039309/publication.txt
observed 8beddfd49e2dacb72a54bd8033806b23...
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.