OpenTechnical

OT-2026-000044797

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000044797) never changes.

Identity and time

Publication numberOT-2026-000044797 · never reused
Internal UUID01a0ae7c-911b-72e9-beef-025d36af59ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044797
StatusPUBLIC

Content hashes

Canonical text1c0cb10f6f2d2de7c0e046f5357e2d65f08e9b00f1a48b39abd0e503b8761b90
Markdown4d0abfadaf22fb511d4b8e4beef3467ef35621509808032d996e10f3b123b139
PDF
Publication page6692a315c613cf0420343cdf3ed05da134b147f39f913a6dbe6ef70ca1e16344
Manifest9768741cdc18562f9daf603fd9cbd28c482042958c0acee42d9a0f4d2a540007

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
SignatureT64ObXFKqwXrobSww+KbO9iIhKIw/1RkVEeoKml8Wi5tO/LPZF1l2NFp7x4cMbBN8hOCcU+oik+DxHKmmzFmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:25.536019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044797
observed 6692a315c613cf0420343cdf3ed05da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.516287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044797/manifest.json
observed 9768741cdc18562f9daf603fd9cbd28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.498364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044797/publication.md
observed 4d0abfadaf22fb511d4b8e4beef3467e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.480410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044797/publication.txt
observed 1c0cb10f6f2d2de7c0e046f5357e2d65...
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.