OpenTechnical

OT-2026-000016173

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000016173) never changes.

Identity and time

Publication numberOT-2026-000016173 · never reused
Internal UUID01a0ae6e-2d10-7e2a-b10b-32d91eab012b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016173
StatusPUBLIC

Content hashes

Canonical text74d6927433fa356ec28500ca106ea5a13ec3a4661f02d0af997ff109abfb556d
Markdown2275626a7a0a7fcba09ca400723d34db61fac0ae3ab9d5c9ae35b1b9ce11bd07
PDF
Publication page086cc0fcf7190101cdcc6e4cb859be997c90064d547601609e91127ac02c2643
Manifest61bf2ded68fde6b3ed8befa78f998cb862487f8030755f01c91a521b6ed6db95

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
SignaturemhVxogimaU/bRk9OTNSJ5fyDciRycbFVbl1QeEweI1louRwDQbM5JEeSIM7KhHRSXnO/HQuaTgZViJ8rpahvAA==
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

2026-09-17T12:03:37.366257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016173
observed 086cc0fcf7190101cdcc6e4cb859be99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.347423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016173/manifest.json
observed 61bf2ded68fde6b3ed8befa78f998cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.327924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016173/publication.md
observed 2275626a7a0a7fcba09ca400723d34db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.310629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016173/publication.txt
observed 74d6927433fa356ec28500ca106ea5a1...
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.