OpenTechnical

OT-2026-000049140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000049140) never changes.

Identity and time

Publication numberOT-2026-000049140 · never reused
Internal UUID01a0ae81-134e-765d-8b31-746eccf08877 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049140
StatusPUBLIC

Content hashes

Canonical text0fb765ca1e3e1409f64d67d31b0af385f1fd159edafb28b4895f1772b0c1736e
Markdown3d990f32db734861f6748148eeb21ee29e90c1247fd5b380d8d7e9f7f984197c
PDF
Publication pageefec98e99526dde29069871d4be483e89e8da47ae9be2ec214d9c34b8e9fa7a5
Manifestce823aaf41ea9440561b25a50954ffe81fb76876cededf17d0b5c05eb7e3852a

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
SignatureIBh+U5qRBerF3GBKySPvUhZlyCwf1W7LZKxLJ4QHYZq6J3px3+EEeEUf6oHyCkjEhZH1zdPCC0dh5vvCHUaWBg==
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

2026-09-17T11:03:24.659555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049140
observed efec98e99526dde29069871d4be483e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.641142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049140/manifest.json
observed ce823aaf41ea9440561b25a50954ffe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.625293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049140/publication.md
observed 3d990f32db734861f6748148eeb21ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.606228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049140/publication.txt
observed 0fb765ca1e3e1409f64d67d31b0af385...
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.