OpenTechnical

OT-2026-000070736

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented before set-down

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-2026-000070736) never changes.

Identity and time

Publication numberOT-2026-000070736 · never reused
Internal UUID01a0ae91-8c2c-717d-8a5a-1e32815a8a49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070736
StatusPUBLIC

Content hashes

Canonical text1b4a0b35042e4b03d55bb2ae730f1649a960af2df89f1150842e57a3f70d8746
Markdown3fdcc662ee941d978b43b7ba3ad14b4e6fc22ef8a3020c887a38b8b0600a9dae
PDF
Publication page54ad63ef17a91828fe45a60ab8175259e437d46c34f76c063b39c922b613ba48
Manifest0578ad2388a2050c2fbc7ddb1f010b0aad8de196ff0590890ba386c754b711dd

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
SignatureBfOVbXVghqArf9/y0Knp7hvFlNp9j5gcgNqgnkxvAn0WgXUySlT+9KvOQ5kLFqkv/N0mUCLlMW2iR2CWPRGEAw==
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

2026-09-17T10:25:24.452325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070736
observed 54ad63ef17a91828fe45a60ab8175259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.434706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070736/manifest.json
observed 0578ad2388a2050c2fbc7ddb1f010b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.416689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070736/publication.md
observed 3fdcc662ee941d978b43b7ba3ad14b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.398311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070736/publication.txt
observed 1b4a0b35042e4b03d55bb2ae730f1649...
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.