OpenTechnical

OT-2026-000044901

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000044901) never changes.

Identity and time

Publication numberOT-2026-000044901 · never reused
Internal UUID01a0ae7c-911c-719b-a162-79dd4967ffa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044901
StatusPUBLIC

Content hashes

Canonical textb7b0ea5d156626c2c0252921d180ea2f0c6c48f96973d17ba94177fa4e1e6d2d
Markdowncef386aabb67e3e85792e4438d26cd8a2a518606122fad50cda9f3576919d9ae
PDF
Publication page35da30a208cea9f44aa6af70deb19605c8fcf1e67c0a85c6e5a504b4f733133c
Manifest53d0a3f44209667533e803a593ca99a3e13f167731cfdf8f7b821e47856357a9

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
SignaturesdSFk+ZyyduB8b16eOe+B3r++CNEQVbtOd4Vp6otpCxxGsLQs8ZKX1SPvS9f+WAKszM5BBPvShw4nBMvRviqBQ==
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

2026-09-17T11:11:34.008886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044901
observed 35da30a208cea9f44aa6af70deb19605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:33.988904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044901/manifest.json
observed 53d0a3f44209667533e803a593ca99a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:33.967657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044901/publication.md
observed cef386aabb67e3e85792e4438d26cd8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:33.949743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044901/publication.txt
observed b7b0ea5d156626c2c0252921d180ea2f...
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.