OpenTechnical

OT-2026-000066673

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066673) never changes.

Identity and time

Publication numberOT-2026-000066673 · never reused
Internal UUID01a0ae8e-ce42-76f0-a112-96be4d686d74 · 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-2026-000066673
StatusPUBLIC

Content hashes

Canonical textad321b7bd8efa9eb4fc6eae3b0ddfdd49d2e0f71022ad0af37611e1b6ec20028
Markdown4b2ef92d20dd35a11b643c3b4a3365eab81e40d9c363d82b874fe2606613d3ca
PDF
Publication pageb6b700e341daf29efbbde23740ccb1fe08aa19bac10af1ec2bd301963fbda88c
Manifestefd30648ea083e634701735c80ca35349f3a8c6903fb41f700f96bc4de27f9f2

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
SignaturezAiJNu/O+0lPvXkCidlZjb6wmghlu7P9Bcd99mtXqL6VTuTe2XaSoCWAL6qcooLmkNtirSsUr/xpM6mlk2wPCA==
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

2026-09-17T10:33:03.838429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066673
observed b6b700e341daf29efbbde23740ccb1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.819943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066673/manifest.json
observed efd30648ea083e634701735c80ca3534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.798916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066673/publication.md
observed 4b2ef92d20dd35a11b643c3b4a3365ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.780898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066673/publication.txt
observed ad321b7bd8efa9eb4fc6eae3b0ddfdd4...
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.