OpenTechnical

OT-2026-000049753

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000049753) never changes.

Identity and time

Publication numberOT-2026-000049753 · never reused
Internal UUID01a0ae81-8fef-7bb6-bdf0-0173f9cab695 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049753
StatusPUBLIC

Content hashes

Canonical texte1890577f67ea538affc65bae94b3c2b8afff4a3f02524a33abefdf4365d1265
Markdown32020d33f3cc8478a82d57883fae136a084a8093b1ffa930405dc49b9e7a6c1e
PDF
Publication page59b79f1b4cb169c7ae42fa54434f1d354192cb3c6d42e9d840800b8a864cf3fc
Manifest04d13c0c8ca9b644786c6a615d26b0e18531a0720732a2c3b087ff85f9684950

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
SignatureQchlFtKOt0HsHh1n+nwNMCnUOEIGMzDG6v7SRnWJ6XtVgQ8sL96rMHRC3yu/oUbkwPsvS972sjea4ms4GhsuCQ==
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

2026-09-17T11:02:46.996572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049753
observed 59b79f1b4cb169c7ae42fa54434f1d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.976602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049753/manifest.json
observed 04d13c0c8ca9b644786c6a615d26b0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.956229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049753/publication.md
observed 32020d33f3cc8478a82d57883fae136a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.937360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049753/publication.txt
observed e1890577f67ea538affc65bae94b3c2b...
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.