OpenTechnical

OT-2026-000046749

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046749) never changes.

Identity and time

Publication numberOT-2026-000046749 · never reused
Internal UUID01a0ae7e-d0f3-767f-9e5f-77e79d4425c4 · 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-2026-000046749
StatusPUBLIC

Content hashes

Canonical text3c537ed4ec93f3098fa8eb91198c39b0844d2d2b4ee0c1fe53b1eec69e2bc03b
Markdown69f9ce309d2b18e58733632c3b6fc6a70b35ea658352d5663ff8f2f5830f76bb
PDF
Publication pagedf89fb89e3ede3821171307d9f948b5745500d196a3403215acbe9ea2c86b604
Manifest0383ed02bd679e31c18932daa56ff01705230773a36969375074f9fd74c8514b

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
SignatureTAei/ufsAHQVALgLEPjHbQQCJ2DWRhUAP9VGv6gMwvnmJFImXYooo47E3Slx7eVMWAig7Osq1MRyxEzkGYONDQ==
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

2026-09-17T11:06:48.825970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046749
observed df89fb89e3ede3821171307d9f948b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.807871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046749/manifest.json
observed 0383ed02bd679e31c18932daa56ff017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.788899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046749/publication.md
observed 69f9ce309d2b18e58733632c3b6fc6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.772477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046749/publication.txt
observed 3c537ed4ec93f3098fa8eb91198c39b0...
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.