OpenTechnical

OT-2026-000026229

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026229) never changes.

Identity and time

Publication numberOT-2026-000026229 · never reused
Internal UUID01a0ae71-a841-7653-8c20-94f3fe8e8802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026229
StatusPUBLIC

Content hashes

Canonical text829da0ccf3df6e84e20110a2342b4645db4795bf3cfcb54a38f0ddaef4cfc32e
Markdown10af25db80c4be4906ff333ddef36fb3cd98eb88066838f89956c90931a4becc
PDF
Publication page310863b56d727e46abda33deb5621467080036567e3cd19d5cc51d18c547e1e4
Manifest74addfc84fa7d8dd6f9ba7fe192e27b059c38aba6d73e86b388a1cf63ee9ce14

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
Signature1NFmH0S63Yk93k+2OrM4JznD2dD6GwvE0noFdppD445wzIT1qPH03f+K5vPx6fevFMELC5Q06RGwbB17pdAkCg==
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

2026-09-17T11:46:45.631870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026229
observed 310863b56d727e46abda33deb5621467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.613078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026229/manifest.json
observed 74addfc84fa7d8dd6f9ba7fe192e27b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.594796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026229/publication.md
observed 10af25db80c4be4906ff333ddef36fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:45.576000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026229/publication.txt
observed 829da0ccf3df6e84e20110a2342b4645...
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.