OpenTechnical

OT-2026-000095755

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000095755) never changes.

Identity and time

Publication numberOT-2026-000095755 · never reused
Internal UUID01a0ae9f-fac6-76f5-8773-fd471a8ae93d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095755
StatusPUBLIC

Content hashes

Canonical texteff2b582444733a603bc03e325c4bce43ad8b5b1d626991261ed4dc7b70cf268
Markdownf4b08ec0ffa282a977753a2650d3fffc61a57dfc83be76625eabace04e859ccf
PDF
Publication pagec109bd4abbefba9067371f6bae02cf2715c94a0d117b1040998a8495d3acc9c6
Manifest2ffd84e4144ff6b01a6c1d2d32c142939780b2b0a7a30d00ca859e8f65bdfa97

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
SignatureUZG4RNxkdKeq0dd2DCzLTGaz+Md/zhEXFITXru9JqkcIckCuRHw0avQqrnvU2RfdrQBXEqKsPGdZGW69X77wBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:19.426389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095755
observed c109bd4abbefba9067371f6bae02cf27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.407943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095755/manifest.json
observed 2ffd84e4144ff6b01a6c1d2d32c14293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.390534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095755/publication.md
observed f4b08ec0ffa282a977753a2650d3fffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.373348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095755/publication.txt
observed eff2b582444733a603bc03e325c4bce4...
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.