OpenTechnical

OT-2026-000004665

Publication integrity record

Porous face vacuum gripper, per zone isolation, six outlet manifold, ejector fed, contact triggered

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-2026-000004665) never changes.

Identity and time

Publication numberOT-2026-000004665 · never reused
Internal UUID01a0a91f-55b3-7486-8686-85721b7cc719 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:29:58.197452Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004665
StatusPUBLIC

Content hashes

Canonical text532de791b53a24b7de5eca356c42f23d03e30f9e563bbdb0c771d30606ba8449
Markdown62e47e95d3e071b681f50dd4ed5a18eeb9f0d1f9a89934b8c6440b7fb10554ff
PDF
Publication pageb8f9775e3652f83f11e44b943ee2f5e58c2692788974b2eebc98ca756aadd098
Manifested9750130789bb969b800a03d9802cc7f2c0805afe0775219eb42bf8042cdaca

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
SignatureHK+V/Vd/6mn0qqJg7BxwSqgMsudYz/9T9ioXmy686JmjzUVUimmLx2i54Fmkm0C66n++U94MmUVPpbsJ7erUBA==
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

2026-09-16T07:30:02.663249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004665
observed b8f9775e3652f83f11e44b943ee2f5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:02.644570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004665/manifest.json
observed ed9750130789bb969b800a03d9802cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:02.627466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004665/publication.md
observed 62e47e95d3e071b681f50dd4ed5a18ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:02.238752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004665/publication.txt
observed 532de791b53a24b7de5eca356c42f23d...
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.