OpenTechnical

OT-2026-000072394

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000072394) never changes.

Identity and time

Publication numberOT-2026-000072394 · never reused
Internal UUID01a0ae92-89d7-71aa-b528-4aada6e066ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072394
StatusPUBLIC

Content hashes

Canonical textf2d3599771031a60fabbd40a6e3205933c03cc83491c03d3f13092f162ca54d0
Markdown33ab9e464fe41e804ede0b9db2384e440879dd98195a22ea28c57b3ef1b304eb
PDF
Publication pageb36351e7f0a368f3c0b946f20a556fdc06eace387a204842758027dd3f6ce32b
Manifest6f30a67768fc5f63d0d62ffe5c6aae9dc988aae7feea17f4bc8d32be9e81fa56

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
SignatureJXl5ZZsbzENwGCreO/tgsvlpTGfgAIzeudIXrr0YuaV56+e4PYTVuUcA/soOUQrrU/+YdFKezyJhZa541yr7Bw==
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

2026-09-17T10:22:12.203879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072394
observed b36351e7f0a368f3c0b946f20a556fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.184114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072394/manifest.json
observed 6f30a67768fc5f63d0d62ffe5c6aae9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.166371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072394/publication.md
observed 33ab9e464fe41e804ede0b9db2384e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.148882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072394/publication.txt
observed f2d3599771031a60fabbd40a6e320593...
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.