OpenTechnical

OT-2026-000029573

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000029573) never changes.

Identity and time

Publication numberOT-2026-000029573 · never reused
Internal UUID01a0ae73-5e22-73b4-91bc-cd16096010de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029573
StatusPUBLIC

Content hashes

Canonical textc2ac12cf0335f1f77abddf24341a724ab4721013dde34a68850a9141737faa07
Markdown675c02d521ba8604ea2a0f42e61d468268f08f7b3abe5d7592c7348e4bf4de8d
PDF
Publication pagef65320c542b532adc8d9610e974a917dfe6a896cdbfe9449a795a2c5c464e08f
Manifest61ae9e9b9ac0644b52708f450e039076f98a5570868f9b50c8637a7f4a595c40

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
Signature0VY17/n5tTU6xFX7vyGsBLGdE/Q8SyjBq6By6YcybQCZ0+kq7tKfk3yyvUa7tUwWQQuI+lzQaY503cR9c8fGBQ==
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

2026-09-17T11:39:16.178293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029573
observed f65320c542b532adc8d9610e974a917d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.161087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029573/manifest.json
observed 61ae9e9b9ac0644b52708f450e039076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.141943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029573/publication.md
observed 675c02d521ba8604ea2a0f42e61d4682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.120706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029573/publication.txt
observed c2ac12cf0335f1f77abddf24341a724a...
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.