OpenTechnical

OT-2026-000025126

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000025126) never changes.

Identity and time

Publication numberOT-2026-000025126 · never reused
Internal UUID01a0ae71-5fa5-75f9-ab1e-4d5900505877 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025126
StatusPUBLIC

Content hashes

Canonical text8a77c6519dbb08d92a786150ed59b0f745ad30d5725a64561f85f78cb84d5853
Markdown0ab2e4ec41baccf73b6dfec38976527ac55f31df3d7fe7be843dece7f3002b35
PDF
Publication page8c0ebadaad71ebc17e76262f9358b2c56da1b1736cb88ccb63952be5e03d0d28
Manifestb07a0c43a8c7f259a4156caedb1cffb07ee11f18dfcc0da3d72ded89d72223b0

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
SignatureURWUzesIm7As1WHU88jn/60cnXb2ThVtky/OTTEa0PRY3K60SeMvnFnGKv3CBKtUsI6DVNsnI8JqUA+zOOp4Dg==
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

2026-09-17T11:47:00.284358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025126
observed 8c0ebadaad71ebc17e76262f9358b2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.265526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025126/manifest.json
observed b07a0c43a8c7f259a4156caedb1cffb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.249120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025126/publication.md
observed 0ab2e4ec41baccf73b6dfec38976527a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.232229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025126/publication.txt
observed 8a77c6519dbb08d92a786150ed59b0f7...
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.