OpenTechnical

OT-2026-000040604

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000040604) never changes.

Identity and time

Publication numberOT-2026-000040604 · never reused
Internal UUID01a0ae79-6d0e-7102-879c-c3be10a06435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040604
StatusPUBLIC

Content hashes

Canonical text3fa6807ee4ac7e82f872635d016eb6e167293efd1cae7ce008c72c7a4467abb8
Markdown3103209f02125fb272bc52b04c53da17aa7c6d207307a2815f87282399a36b63
PDF
Publication page4099dc09a504cf5a12a88345b9157a8ba272cfe6aea132071009da5bb80aff49
Manifest3a0d38ecfc6c3f4798e91c99d0b542e1ffe2dc3fb60da7a225b19130a4cf934f

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
SignatureC/Qdv84ZHntj8Ph3sm2/s6j4+u+VqXoKb+5gyFfUsEiLI5LmUB5j+jexkkfNJqSRGRZYXZmIaUyNFUOJ+Vs+AQ==
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

2026-09-17T11:17:46.757492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040604
observed 4099dc09a504cf5a12a88345b9157a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.739290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040604/manifest.json
observed 3a0d38ecfc6c3f4798e91c99d0b542e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.719852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040604/publication.md
observed 3103209f02125fb272bc52b04c53da17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:46.701098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040604/publication.txt
observed 3fa6807ee4ac7e82f872635d016eb6e1...
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.