OpenTechnical

OT-2026-000017744

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017744) never changes.

Identity and time

Publication numberOT-2026-000017744 · never reused
Internal UUID01a0ae6e-96fa-704b-912e-6b47a0ecda95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017744
StatusPUBLIC

Content hashes

Canonical text4ac94ad5261ac0fd6dea22122c253d04ebc89417d25c2d73179398c1c9669663
Markdowne6715a90c4fc69e9faa552800259eafeecf9686269363120df2892552444c74f
PDF
Publication pagefa29f760880a2213f1531d67d00fe2c05113b4859368766a19042ab41213ebea
Manifest274b54bdb6e0675e8984dee6b7d6ab7af203c715b3139c98759f53b230497099

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
Signature1FplYJrm9KRyqIzeS0yFW9zXYqIcn+eO+KPxxhcCcPTfM9XmjfCntbtVAJcOAxZvZ8XRrCl4J63D4q1A0TreAQ==
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

2026-09-17T12:01:41.858142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017744
observed fa29f760880a2213f1531d67d00fe2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.840955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017744/manifest.json
observed 274b54bdb6e0675e8984dee6b7d6ab7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.807589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017744/publication.md
observed e6715a90c4fc69e9faa552800259eafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.776534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017744/publication.txt
observed 4ac94ad5261ac0fd6dea22122c253d04...
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.