OpenTechnical

OT-2026-000047164

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000047164) never changes.

Identity and time

Publication numberOT-2026-000047164 · never reused
Internal UUID01a0ae7e-d0f9-7fdf-be29-ee34512a4cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047164
StatusPUBLIC

Content hashes

Canonical text864a2319bfd5fe1395ec3103d43e0c800f6e87a353a46c3dba5756fb5e28f647
Markdownf8c98ebc47b216fc4acbad70f3aa7eca11601579c70cfbc99132de8439cea260
PDF
Publication page32873b9800477d43464f5f0add9693759f10209f2b020844de58ef1e14af81a0
Manifest1ef6a6da521c88db4dded7e2be96eadb1fff1809c0bf4500ccd6b16ee1cb4d59

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
SignatureRndHRkg4ssS9YAaiLtXp5fb8kFV1Wh5Swhz3zPW613hXQ6OFDNTXUXjTe84QKoDMJfAcUgWhhIYHVhCy1Fu3CQ==
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

2026-09-17T11:10:30.503630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164
observed 32873b9800477d43464f5f0add969375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.484096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164/manifest.json
observed 1ef6a6da521c88db4dded7e2be96eadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.465523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164/publication.md
observed f8c98ebc47b216fc4acbad70f3aa7eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.444711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164/publication.txt
observed 864a2319bfd5fe1395ec3103d43e0c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.803189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164
observed 32873b9800477d43464f5f0add969375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.783259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164/manifest.json
observed 1ef6a6da521c88db4dded7e2be96eadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.760982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164/publication.md
observed f8c98ebc47b216fc4acbad70f3aa7eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:58.735219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047164/publication.txt
observed 864a2319bfd5fe1395ec3103d43e0c80...
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.