OpenTechnical

OT-2026-000014243

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000014243) never changes.

Identity and time

Publication numberOT-2026-000014243 · never reused
Internal UUID01a0ae6d-b279-7ad0-a441-3fd842bda454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014243
StatusPUBLIC

Content hashes

Canonical textd157ba277470c09b782e396bfc4126bd3c57265a140e66aae92e256aa92b9d27
Markdown6e3ce77db37aab64c9209546d105bd1ca3130571d08b7de8e977d9a8d9df40fb
PDF
Publication page68d57f58c88d17cd49c27198826ec6c38da0f99082eb322e5b61e2981e9bf92b
Manifest31bd7b17ce1fc8befc09720ff7fe5015c9a26997a14ce95b525c2e4f9f282eea

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
SignatureW80sZg9fu4SPs6b8x8aKpHrI+Ntlj0x0WF8UwrivenvKN7HtfWY8UBeYrFKavRuDfNbKcXpA4zqmGEms9jNtAw==
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

2026-09-17T12:07:21.859482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014243
observed 68d57f58c88d17cd49c27198826ec6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.840199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014243/manifest.json
observed 31bd7b17ce1fc8befc09720ff7fe5015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.822394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014243/publication.md
observed 6e3ce77db37aab64c9209546d105bd1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.804082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014243/publication.txt
observed d157ba277470c09b782e396bfc4126bd...
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.