OpenTechnical

OT-2026-000049320

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049320) never changes.

Identity and time

Publication numberOT-2026-000049320 · never reused
Internal UUID01a0ae81-1350-7c05-9ede-b487c32d5d40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049320
StatusPUBLIC

Content hashes

Canonical textebda8cbdebbb88776dd49accd2ae39a4651a71c3d3928c6c2f9ff6fc00259553
Markdownb134854e69b56d6c0efc4505cc236f6926a415403c30a5938886b7a677ca45c7
PDF
Publication pagec479e42dbd477c58f48cc8e62f34fcf815bc9662ff99017106cdfc13d35698fe
Manifestf8bfdcc837d13fc7b4a0d1db3ff45fd040ddbbb811ac1c77d15632512c5976ec

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
Signatureog0rCiJTYuYh1tG0CzuOjri0z7jDDYg+CsIwymX3hMTqhULZbClqa825N83duB5bk1kFqoeaw+WMrVEWnmyjDw==
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

2026-09-17T11:04:11.586531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049320
observed c479e42dbd477c58f48cc8e62f34fcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.568086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049320/manifest.json
observed f8bfdcc837d13fc7b4a0d1db3ff45fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.548774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049320/publication.md
observed b134854e69b56d6c0efc4505cc236f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.527335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049320/publication.txt
observed ebda8cbdebbb88776dd49accd2ae39a4...
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.