OpenTechnical

OT-2026-000058729

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000058729) never changes.

Identity and time

Publication numberOT-2026-000058729 · never reused
Internal UUID01a0ae88-f39e-755b-9dda-674575bb2049 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058729
StatusPUBLIC

Content hashes

Canonical text290aae8f7caa117b4d1f57773b65cef7464190181e51728b2bc340bdfa220030
Markdowna39ea85c5de9d31e0e49c88100fbfd1c7912122a08307a70552a0cc80896cb02
PDF
Publication page9592acbdc039ca96f9f0dbc23e2c92a7f108f939930210836ab30b3ef5e450e6
Manifest66d8ee858de1ba1d306450904798ff0328feed1ab90883006c1f53add054e6b1

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/GujTCQ7QXNPNedtKEc4ULg6k6/DRSpG0xJj6CHC995yLEzRa0TZFG9/nVT5ii1yuCaMk/TAAM+ZxBVj0SvICQ==
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...

Independent retrieval

2026-09-17T10:47:15.723499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058729
observed 9592acbdc039ca96f9f0dbc23e2c92a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.705872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058729/manifest.json
observed 66d8ee858de1ba1d306450904798ff03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.687189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058729/publication.md
observed a39ea85c5de9d31e0e49c88100fbfd1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.670952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058729/publication.txt
observed 290aae8f7caa117b4d1f57773b65cef7...
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.