OpenTechnical

OT-2026-000005099

Publication integrity record

Porous face vacuum gripper, four zone face, two outlet manifold, three stage ejector

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-2026-000005099) never changes.

Identity and time

Publication numberOT-2026-000005099 · never reused
Internal UUID01a0a92d-d36d-71b5-8d7a-0b8897aacb43 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:47.889146Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005099
StatusPUBLIC

Content hashes

Canonical textc1a79ee618d1c4641fcf2aec51e83c5276b6f620a24c66dac690a6d025b106aa
Markdown6f4054386639feaffa1aa2ef467dc2bda2de7b82294527ee003661d91226ed69
PDF
Publication page05cec58b34f23f728b1bcfbc7c584d056165fbba6d0905122e0b13fe42525e61
Manifest29e943d43bc2e1440e10fc4a080453e5ad1d06964c7c05948f7cb762c6477b38

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
SignatureMeafdfXclZVWGa51X6a65gsE7bTPfmJBoijE/STSJhdJIoD/sOjca3ewQMF2im9/xRTq+SYHBahFdUPwy9bsAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:15.653969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005099
observed 05cec58b34f23f728b1bcfbc7c584d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.640969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005099/manifest.json
observed 29e943d43bc2e1440e10fc4a080453e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.627781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005099/publication.md
observed 6f4054386639feaffa1aa2ef467dc2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.493623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005099/publication.txt
observed c1a79ee618d1c4641fcf2aec51e83c52...
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.