OpenTechnical

OT-2026-000059237

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000059237) never changes.

Identity and time

Publication numberOT-2026-000059237 · never reused
Internal UUID01a0ae89-8613-7cc3-a12e-acdcde26682e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059237
StatusPUBLIC

Content hashes

Canonical textce9c6d435c13763551e4fd26b0bba26c7d63e02e87459682e69d69a10b50d3ac
Markdown7e1c5890b3863b8ee52410439ca6a97ae43cdf378f0a95866b7d430c725fd013
PDF
Publication paged75e41efcc100313391fd20291637351a44935e01d0d4b9603853b90205f8271
Manifest4e10cf36184d8fe2ec84dc4a062976ce1cf9ebe50f5c84539c585361e95adba8

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
SignaturehMClWHBkKesajQ5Mi+fzlXh7HGl/yNnTueuHgagduqm3q15sxNP4bNvC9F0Bzr/TCoYyHvT5KZZnkBi2j4lkAg==
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

2026-09-17T10:45:46.320422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059237
observed d75e41efcc100313391fd20291637351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.302172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059237/manifest.json
observed 4e10cf36184d8fe2ec84dc4a062976ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.284634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059237/publication.md
observed 7e1c5890b3863b8ee52410439ca6a97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.267522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059237/publication.txt
observed ce9c6d435c13763551e4fd26b0bba26c...
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.