OpenTechnical

OT-2026-000065516

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000065516) never changes.

Identity and time

Publication numberOT-2026-000065516 · never reused
Internal UUID01a0ae8e-46f9-7e37-8ca3-26c3dadafebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065516
StatusPUBLIC

Content hashes

Canonical text4fc0a48be14473825fce7777d33bb1ee02fb6cd6ce4222b3508100e6d838d154
Markdown51c833e7e378667716959909a4f7fe75bf498aa1c4aa4704083c63d3be41a26c
PDF
Publication page3c41e8e5e1841cfb1e9253665f1b9153b52be8fb3039d3709eb57d4788f1143d
Manifest6b894a0d1b25fdccd9de6349fba23c14a5413e95b2930a813022c376df97e0d2

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
SignatureZ6UkLFGJ+64a7emsb3xKoSUY4zqsAgpPgLv1QY82PVOoPWdQ/B+7JlxF5cniZ+IB2aECF0ptuT2w6NFBTMSQAg==
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

2026-09-17T10:33:48.707995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065516
observed 3c41e8e5e1841cfb1e9253665f1b9153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.690686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065516/manifest.json
observed 6b894a0d1b25fdccd9de6349fba23c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.672088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065516/publication.md
observed 51c833e7e378667716959909a4f7fe75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.654365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065516/publication.txt
observed 4fc0a48be14473825fce7777d33bb1ee...
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.