OpenTechnical

OT-2026-000066821

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000066821) never changes.

Identity and time

Publication numberOT-2026-000066821 · never reused
Internal UUID01a0ae8e-ce43-7993-9fa5-610fd6f96f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066821
StatusPUBLIC

Content hashes

Canonical textc725d7bbe49c666ae95de452cacf894f5e3bb1f66de51cdf23987e76aec18610
Markdownadc57cc7159bedc7a06d596273eb201a2d07f783555604b55172be2335306e03
PDF
Publication page423af5ec952c6c8bc97a7de7048832ee454c857221f3129d422768900484f829
Manifestd4f7bf40b8690e0ddb5874f5d14ab65949e3d58e7ef48e73457aec3a63f941c7

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
Signature+fGHLmJDoTz5zsv4mzMmSVr65L+F8NR3I8VmCNds0zjW31a5qcj4SEBawrWZW4yKOT8Vr4jCIg9DcdL5s16tCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:15.170624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066821
observed 423af5ec952c6c8bc97a7de7048832ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.151498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066821/manifest.json
observed d4f7bf40b8690e0ddb5874f5d14ab659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.131023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066821/publication.md
observed adc57cc7159bedc7a06d596273eb201a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.112619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066821/publication.txt
observed c725d7bbe49c666ae95de452cacf894f...
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.