OpenTechnical

OT-2026-000056417

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000056417) never changes.

Identity and time

Publication numberOT-2026-000056417 · never reused
Internal UUID01a0ae87-4bd2-7bc6-bf1d-b2baba9659eb · 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-2026-000056417
StatusPUBLIC

Content hashes

Canonical text8b31d625ead5fe5b5634b3716bf67571b1a8ef72fa75f7d96824bdac1ae05487
Markdown8f202fc076d89a08ccc41cd0ca64519fc53509b9d12088b6f27b53e669f8a439
PDF
Publication pagefcbe3c7543b84c58d56ace3fa176c280dac697947189fcadf69211cdae04f275
Manifeste3667fb77cd867c6cf91e76c9131b2f6559597048d84dbea667d1f0e06207aa1

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
SignatureRMDclq8pOU9loNgLp+FPiOlEV6skIBoBbZeeyIqLc1i9cRJ1GOYiWs2FX6RIfZ8kKLVon2FMyZA5HHI8jyR8AQ==
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

2026-09-17T10:50:56.885601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056417
observed fcbe3c7543b84c58d56ace3fa176c280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.867789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056417/manifest.json
observed e3667fb77cd867c6cf91e76c9131b2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.849578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056417/publication.md
observed 8f202fc076d89a08ccc41cd0ca64519f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.832772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056417/publication.txt
observed 8b31d625ead5fe5b5634b3716bf67571...
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.