OpenTechnical

OT-2026-000048678

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000048678) never changes.

Identity and time

Publication numberOT-2026-000048678 · never reused
Internal UUID01a0ae80-c32b-7577-b1de-f31bcb20e12a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048678
StatusPUBLIC

Content hashes

Canonical text05b82c7580b9538ec927b91e6b4bccab1bc2bf8f02f73d0c5f873bdce2d37516
Markdown2dce33b1c861393cfcc8b7feb36de0e7a1c6bddd8dc6843b30de17365e9c0689
PDF
Publication page18d11bf4be18d00f495b417d4c413aaa8089b6e099ced57ccd4189c5d32ece95
Manifestcb584963ea5e7638b5f487b2c0cc39c969da26c7209e77bff3e46637c6ebef0f

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
SignaturebEmQKP5tfyPh8OSWWM4Si3Bi8OGfrGJNQtN+U8xqR8ffHh52a7Twz487kERlu6c6VFOnOLZsdmUlWckC2oIbAg==
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

2026-09-17T11:04:18.207736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048678
observed 18d11bf4be18d00f495b417d4c413aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.186741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048678/manifest.json
observed cb584963ea5e7638b5f487b2c0cc39c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.168173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048678/publication.md
observed 2dce33b1c861393cfcc8b7feb36de0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.147788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048678/publication.txt
observed 05b82c7580b9538ec927b91e6b4bccab...
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.