OpenTechnical

OT-2026-000084216

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084216) never changes.

Identity and time

Publication numberOT-2026-000084216 · never reused
Internal UUID01a0ae98-5b60-79bd-a4f4-4cd06298e7a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084216
StatusPUBLIC

Content hashes

Canonical text16f69cb3f55f4385ae32aedcf3684a8f4c69869dc21b16fd0c589bdb7ed8a086
Markdownf6911d693a0bb80ff041a5e7b02197ba9af029e24c9cae9a838f6c66d814451e
PDF
Publication page3f6459f3147c86d83bcb56884e5337178b5d79fa9558d90c5c63b518960ba09c
Manifest81fafabd74f355ef8a802031bde75005e4f641df535ca4c48dec6ef172e6239d

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
SignatureJtmEv5nng2rbmleBkiU5/fWWr04xYDDawS7hI3pwKZVMdbRoE2HR1YLP8B+qdUXsdCiFFjmtNkEWAJDSnqvaDQ==
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

2026-09-17T09:56:00.239333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084216
observed 3f6459f3147c86d83bcb56884e533717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.221966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084216/manifest.json
observed 81fafabd74f355ef8a802031bde75005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.203189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084216/publication.md
observed f6911d693a0bb80ff041a5e7b02197ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.183445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084216/publication.txt
observed 16f69cb3f55f4385ae32aedcf3684a8f...
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.