OpenTechnical

OT-2026-000056185

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000056185) never changes.

Identity and time

Publication numberOT-2026-000056185 · never reused
Internal UUID01a0ae87-0a4c-7fb9-a099-8bd9b08fb300 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056185
StatusPUBLIC

Content hashes

Canonical text12e76e454fc964279d43b4584e0522d7391468daa5d4043dcd7e29a4af2aff50
Markdown57d4953b9045ea7913e3fa6db441b42f125bc545c416474879510fd03f008fac
PDF
Publication page3d0a6051782e08a6ea2e02567f794a0168c0b17d6d66cc349a049b5b26d5356f
Manifest5eefb0b871a9571a086f559d20ba7483540512247ff13e8e6abc8a06cc6ff9cf

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
SignaturedCU3SFax0iD+UNhBPTpqtTbWpYT1OsZ+qSiwq2kE4Ox3y+J0e0YFr18px1TreEJU6I8+7bY9F77ijaAqrzu/CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:44.937791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056185
observed 3d0a6051782e08a6ea2e02567f794a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.918608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056185/manifest.json
observed 5eefb0b871a9571a086f559d20ba7483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.900377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056185/publication.md
observed 57d4953b9045ea7913e3fa6db441b42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.881535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056185/publication.txt
observed 12e76e454fc964279d43b4584e0522d7...
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.