OpenTechnical

OT-2026-000064829

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000064829) never changes.

Identity and time

Publication numberOT-2026-000064829 · never reused
Internal UUID01a0ae8d-debb-7492-aad2-3be2552dce52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064829
StatusPUBLIC

Content hashes

Canonical text38d429deae53e90e229e6c4e0b44b8d787a2e1fa330bfc9f633c22c86745ebe6
Markdown4a5531d137d04409012274d37b8c7e47d3a4cd386a0ad4c7f429f65a35243b68
PDF
Publication pagef989856e114755a31f56cf6062cd4d526d97c80c130ef6f5429d18511469a763
Manifest95c4c7896f3f83ec08f07d7982eb7be64334e49ce51b8d14887f820b774cf56f

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
SignatureY884f4PbaOXB2H4g9U9k/ABpp6Y+8QjCJ7QYXyj55NamrbWz7hrP24OFKN49/8838Vg8PqkS4wRpBozkjH5zBg==
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

2026-09-17T10:35:44.169695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064829
observed f989856e114755a31f56cf6062cd4d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.150614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064829/manifest.json
observed 95c4c7896f3f83ec08f07d7982eb7be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.132627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064829/publication.md
observed 4a5531d137d04409012274d37b8c7e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.114664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064829/publication.txt
observed 38d429deae53e90e229e6c4e0b44b8d7...
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.