OpenTechnical

OT-2026-000056293

Publication integrity record

Three cup vacuum gripper, three 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-2026-000056293) never changes.

Identity and time

Publication numberOT-2026-000056293 · never reused
Internal UUID01a0ae87-4bd1-75ef-9017-34fda91ee59a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056293
StatusPUBLIC

Content hashes

Canonical textfaacb6a18d40a79cb878e80e7b9d8ec2e5a0509058f3afa4494fdfc9e4e94514
Markdown3c90357cb5d0acc93dd2b673b013baa426df870e457bd1a6d3977aaab88acf07
PDF
Publication page99d020b3fadeee95a1bf42b697f681fdf2a8a82860f23bca64bbfa5fe080a776
Manifest2a1e4df0eed81b94b530997901e6283177a8f239edf4e5bb251704b5c3bfb769

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
Signature3WX6H1nKBk3kcAEClS/3iz1cOebmAVQaxXirCpyk9tH+LLr4H/493opvi3LpOGh7vkeRHtWLT9mYR4KNRQHMDA==
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

2026-09-17T10:50:47.141965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056293
observed 99d020b3fadeee95a1bf42b697f681fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.122958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056293/manifest.json
observed 2a1e4df0eed81b94b530997901e62831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.106019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056293/publication.md
observed 3c90357cb5d0acc93dd2b673b013baa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.088139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056293/publication.txt
observed faacb6a18d40a79cb878e80e7b9d8ec2...
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.