OpenTechnical

OT-2026-000064337

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000064337) never changes.

Identity and time

Publication numberOT-2026-000064337 · never reused
Internal UUID01a0ae8d-a460-73b2-8e4c-cac275c48fc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064337
StatusPUBLIC

Content hashes

Canonical textdac23af37b30df100c38acbfee52b27976bf9ce5426070c9a0837020dd67a856
Markdown99f6f614daaad4b741eb51d3912382fe7be2187fc75ff3a1f700e26353a70af7
PDF
Publication page1d6d29844b0aab9dfe5f018a8c001eca94cfc42fcc2edb04f1fc16e5df8af1ee
Manifest560c6ae884b6617b54b2629d60067d921f7d516b562d34b4546211e6fb5e9d4c

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
Signaturewi7Yil70XheAY6TaoaN33s57R0C2t8Xc25ta/r8eamMtAl7tuEEsSGZFOHQAd75VOvNVefmj2IjKlgA3BMaFDw==
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

2026-09-17T10:36:29.654384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064337
observed 1d6d29844b0aab9dfe5f018a8c001eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.636273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064337/manifest.json
observed 560c6ae884b6617b54b2629d60067d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.597636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064337/publication.md
observed 99f6f614daaad4b741eb51d3912382fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:29.559703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064337/publication.txt
observed dac23af37b30df100c38acbfee52b279...
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.