OpenTechnical

OT-2026-000006123

Publication integrity record

Vacuum cup gripper, three zone face, plant vacuum fed, contact triggered, vented before set down

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-2026-000006123) never changes.

Identity and time

Publication numberOT-2026-000006123 · never reused
Internal UUID01a0a950-1feb-79a8-b644-9f10e45b747a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:15.694438Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006123
StatusPUBLIC

Content hashes

Canonical text2a5eade5fe9a0a12bf0d6b93cee4d3b3b2c71a54b77d1e22bd80656773f06998
Markdown9275462af1f6d40483d5b1348c6f6303659e9609c8f6e636606e0102aa37c45d
PDF
Publication paged5f6947541d721b324a9af5a6ff34556c0334fb0ec3658985313130cdb33f856
Manifeste0058b9b7daf286ef89665bfea278405abc236dbb10be28b6bb80d9ca61e1dce

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
SignaturedIJn4igBqU7FZtk6XXr87+xMmaT2pzCZPIhVPyyoFADRRZ4ZI6JfQTuD4Ll64BuhnPLJYAgrHbsA0SYsbSMxDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:24.921811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006123
observed d5f6947541d721b324a9af5a6ff34556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.909440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006123/manifest.json
observed e0058b9b7daf286ef89665bfea278405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.897018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006123/publication.md
observed 9275462af1f6d40483d5b1348c6f6303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.882425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006123/publication.txt
observed 2a5eade5fe9a0a12bf0d6b93cee4d3b3...
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.