OpenTechnical

OT-2026-000093008

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000093008) never changes.

Identity and time

Publication numberOT-2026-000093008 · never reused
Internal UUID01a0ae9e-090f-7e13-b0c2-9842ae3faf95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093008
StatusPUBLIC

Content hashes

Canonical text33d78f980b1fd1fb02c72ca8b7754abd819b2337874c5bdd2043791c5b59444d
Markdownf146238f1503339c1900d6e2cf6514434109921df4ed35f85b54ccc25d83e5c1
PDF
Publication page8e1af2c4dc29e6d2e8527e85730bc22362aea5b906a01c81edf5a4c705800b66
Manifest5fa07d0baa25a227d1b9421f6eb27dc2018d5271913e163978ad905d6f01c05a

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
Signature9i231p91EB/FTUnbrukkowB2C+RJmfQ68WDYR101SUJKIIzKfQBSBNHSwVk7NKBzjdYd41Fz0TS+uphSgtPIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:12.941612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093008
observed 8e1af2c4dc29e6d2e8527e85730bc223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.924362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093008/manifest.json
observed 5fa07d0baa25a227d1b9421f6eb27dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.906793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093008/publication.md
observed f146238f1503339c1900d6e2cf651443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.888531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093008/publication.txt
observed 33d78f980b1fd1fb02c72ca8b7754abd...
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.