OpenTechnical

OT-2026-000027424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000027424) never changes.

Identity and time

Publication numberOT-2026-000027424 · never reused
Internal UUID01a0ae72-6998-7a43-b128-5f89441eba1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027424
StatusPUBLIC

Content hashes

Canonical text4b1667f0c3bb9c9a7d204e93bce84496405cd14968079f9a3df7d6d3c0ad2a47
Markdown62a2424c27b41277a5b9cdd059d9670b5e0d17a2434d311c37fce1fd205c2205
PDF
Publication pageed9d06584ddbc20da1744318082a12d4f76f568c164b2ec95dd8ddaeeaebfc92
Manifestc69038ea01f70b0472cb06ceea97ef5bbe53e064c1f128bb20548bd4492affe4

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
SignatureypkQQ9udSImTL2FIRluPgg9Mf6QZdrm7HxjAP3xFON8QAHBDT2Cww8fsHE4crs0HjkQ4TaSFrB6iOs02uIZeBQ==
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

2026-09-17T11:42:51.264022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027424
observed ed9d06584ddbc20da1744318082a12d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.247122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027424/manifest.json
observed c69038ea01f70b0472cb06ceea97ef5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.227828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027424/publication.md
observed 62a2424c27b41277a5b9cdd059d9670b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.212592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027424/publication.txt
observed 4b1667f0c3bb9c9a7d204e93bce84496...
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.