OpenTechnical

OT-2026-000045121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045121) never changes.

Identity and time

Publication numberOT-2026-000045121 · never reused
Internal UUID01a0ae7c-f768-726d-8eb9-276e8e13bc6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045121
StatusPUBLIC

Content hashes

Canonical textd2f90be4e989733435a32fb13801bcc3c245a6ef2d1c514a9b547d76dc3b041d
Markdown4cc6b2c54e751884c509bbe3d508c007ea99815be6f739d215bbce2220e660c2
PDF
Publication pagec94016591696c565ee72fa81a60285196927f8f1b6bbd5875feae9bbbc0121dc
Manifest8eb626a800753112d8a7e52acd26451ec33cf8643b3a6b87954f9b450ca629db

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
SignaturepA15tyTLVBqbYSEjxx4r/RUPplKeHDYL0THSzMRxE2p59kxi0EMhK2B6kXgqmVjK/UtiwcFnb8pTTvUgFSZPCA==
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

2026-09-17T11:10:15.953782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045121
observed c94016591696c565ee72fa81a6028519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.935418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045121/manifest.json
observed 8eb626a800753112d8a7e52acd26451e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.918668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045121/publication.md
observed 4cc6b2c54e751884c509bbe3d508c007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.902402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045121/publication.txt
observed d2f90be4e989733435a32fb13801bcc3...
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.