OpenTechnical

OT-2026-000029805

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000029805) never changes.

Identity and time

Publication numberOT-2026-000029805 · never reused
Internal UUID01a0ae73-5e24-7cd4-bcda-e4e5af93dca7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029805
StatusPUBLIC

Content hashes

Canonical textbafb848c3aa53f6aca9c81b9f135a795086fcdd64176e9220a39d7b5a372cfa1
Markdown65ec478821815c42ebbcd2b738b7e39e9b9e90c2a31058478a60505471e54196
PDF
Publication page7f45f896f00d5c887230ebc5185c8457e6a5e385cc029235b13da1487027a10a
Manifest9103859e988b5f0b3ec289f4a793d13a6dfe611aef14d264bb2335ed421e8059

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
SignatureNLc7ZOuFYt/KuQenn3BbJNsYuxpEtuYK7JPLjoumfGnxXFQ9+/jQTQGcuOkaH/LxnSfGGRrVTpX2LzDlrcszAw==
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

2026-09-17T11:39:34.527639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029805
observed 7f45f896f00d5c887230ebc5185c8457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.510738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029805/manifest.json
observed 9103859e988b5f0b3ec289f4a793d13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.493557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029805/publication.md
observed 65ec478821815c42ebbcd2b738b7e39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.475464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029805/publication.txt
observed bafb848c3aa53f6aca9c81b9f135a795...
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.