OpenTechnical

OT-2026-000079544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000079544) never changes.

Identity and time

Publication numberOT-2026-000079544 · never reused
Internal UUID01a0ae96-0b92-716d-811d-a86ba33a7ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079544
StatusPUBLIC

Content hashes

Canonical text6e6d4c7a5358fa11b39ddb2eb7cce4c4cedb5c21fd6387147224bc6b1dd3195b
Markdownd94370131c292d5844d0cc409898b1580d47f1df22d40d4bd5f462867e8229c4
PDF
Publication pageef4a36befb4216a3ddd42d15782348ebe783da8b0cc06541c5a49196a4bc92f0
Manifest7a777940e702eeb2b515a7d6d3dee6c0b0354eb65f6cf5a43bb005ab122d3581

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
Signatureb2zGaTfoDKe4nYmnNVOy0Xlk55q3hU5Nl1iVN4ZajV/UKwfjW39Iapyb3B6z4W+evT8Zp1Uo5gZhTnqUwtZDAA==
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

2026-09-17T10:05:11.516036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079544
observed ef4a36befb4216a3ddd42d15782348eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.495457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079544/manifest.json
observed 7a777940e702eeb2b515a7d6d3dee6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.473362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079544/publication.md
observed d94370131c292d5844d0cc409898b158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.454699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079544/publication.txt
observed 6e6d4c7a5358fa11b39ddb2eb7cce4c4...
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.