OpenTechnical

OT-2026-000021377

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000021377) never changes.

Identity and time

Publication numberOT-2026-000021377 · never reused
Internal UUID01a0ae6f-865d-778e-916b-26941ec9bb22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021377
StatusPUBLIC

Content hashes

Canonical textb879336c295f10d3b96b4a5f8238e2c7d928e8360e16284c555c523f8367a1a7
Markdown6de3b023ca45efffdacc12275773329bc5cdfc191c38a9f764ccde7f8b66e23c
PDF
Publication pagec9b79fcc664808438f7847811daf6103daa67eb00722a0026bcb897b44fb4136
Manifestf64f29f2a20b51ac8e943e025f97bd4f897ce6f8ec574aa02d68601caea003b3

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
SignaturedaCvPD8bdg4YkdrN/R/B9a7RygYCG2+oDUyHWdXZd0w7rgEe65m1M7N5Z6YGtu9pnGayx3pNq1EU6MRRVd/EAQ==
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

2026-09-17T11:55:15.105235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021377
observed c9b79fcc664808438f7847811daf6103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:15.051196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021377/manifest.json
observed f64f29f2a20b51ac8e943e025f97bd4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:15.013481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021377/publication.md
observed 6de3b023ca45efffdacc12275773329b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.994072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021377/publication.txt
observed b879336c295f10d3b96b4a5f8238e2c7...
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.