OpenTechnical

OT-2026-000049980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000049980) never changes.

Identity and time

Publication numberOT-2026-000049980 · never reused
Internal UUID01a0ae81-fd77-71f3-92d0-5fc83c6aef9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049980
StatusPUBLIC

Content hashes

Canonical textf8ea2ba4d70edd2f94f11146a15db5ee9028c3b68c9aea60811243654f1c13bb
Markdown42d54dc40c226511653c494d30bf7bc87778bc777d2ed4144222dd5b9a1837dd
PDF
Publication pagec1eab90cc0330325b271e38d3a33519237636ea76da1afb5c3e6e72a8dce5dc2
Manifest3a2aa415687cb765bebfdf0662be9607131cc2ed6d9631b54c2a28efb6aaea2f

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
Signaturex0GtJ4/uEIUxJSGQtJ9MNyYQ0MAYVdSy4PwAcUI7u1tFIIjQn5bzPNxcTI4OTYP618DAXv0AjQPiwWF7BLkXDA==
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

2026-09-17T11:01:55.882597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049980
observed c1eab90cc0330325b271e38d3a335192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.863584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049980/manifest.json
observed 3a2aa415687cb765bebfdf0662be9607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.843610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049980/publication.md
observed 42d54dc40c226511653c494d30bf7bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.823395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049980/publication.txt
observed f8ea2ba4d70edd2f94f11146a15db5ee...
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.