OpenTechnical

OT-2026-000005014

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, plant vacuum fed, pressure verified at each zone

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-2026-000005014) never changes.

Identity and time

Publication numberOT-2026-000005014 · never reused
Internal UUID01a0a92b-099d-7d54-a037-dd88e643ee82 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:45.153107Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005014
StatusPUBLIC

Content hashes

Canonical text99874a2a37f3e03fe647eb07b7fcf768604c3967cee9357e9541ce7dbc9e8ed4
Markdown01f2e29677ad1250e907cb9995acd222a0e9fef869df1c3288cbd42903ee1984
PDF
Publication pagec97f9c84391d4c61054fc02773fae6acd4de164a9190b3a3019cce5226d103e5
Manifeste86cb034d19acc560b62b54d9c279949ad266bf1768aef1a4ea251d22cd51056

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
SignatureYJ+z4r8hsifVTj9RwgJV5S6/rdoIB3TD//RGcCIRnG1lBQyHO9ZVF3uCYZ2OcGNzm0vybe4k3Dz9RIYw5oskAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:24.890390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005014
observed c97f9c84391d4c61054fc02773fae6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.878013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005014/manifest.json
observed e86cb034d19acc560b62b54d9c279949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.743508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005014/publication.md
observed 01f2e29677ad1250e907cb9995acd222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:24.731075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005014/publication.txt
observed 99874a2a37f3e03fe647eb07b7fcf768...
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.