OpenTechnical

OT-2026-000018040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000018040) never changes.

Identity and time

Publication numberOT-2026-000018040 · never reused
Internal UUID01a0ae6e-96fc-76c8-bdf3-20a0789496f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018040
StatusPUBLIC

Content hashes

Canonical textcdc102acded8091880eaf7c39f651559222df2197ce3aaba02b1457886114253
Markdown3c52b00e4ff734f4b65ef42f068ad1eae0a29bf81fa7619e12c9a662526a36da
PDF
Publication page6b8d23cda0bab3c4079d848f522bfe07d70a5b44583e3ed9951dd97139f92ce5
Manifest22cab26f81c5f62504c5fa2b2d0e895e53a43e924772ad5bfd700377570a8f3e

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
SignatureZ/hb0/KX0MRG5WOO1vNXcngg2IEevy0SWNE9pMpi3RLLmMx4LakPRlxYD/1lMC1/MkjK1oY8cK/avbZhO5T6Ag==
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

2026-09-17T12:02:03.639939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018040
observed 6b8d23cda0bab3c4079d848f522bfe07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.622466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018040/manifest.json
observed 22cab26f81c5f62504c5fa2b2d0e895e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.603812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018040/publication.md
observed 3c52b00e4ff734f4b65ef42f068ad1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.585817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018040/publication.txt
observed cdc102acded8091880eaf7c39f651559...
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.