OpenTechnical

OT-2026-000004083

Publication integrity record

Porous face vacuum gripper, three zone face, two outlet manifold, ejector fed

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-2026-000004083) never changes.

Identity and time

Publication numberOT-2026-000004083 · never reused
Internal UUID01a0a90e-6c7c-773e-a7e7-e277d4ad5815 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:29.919313Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004083
StatusPUBLIC

Content hashes

Canonical text6e6d8fe3ae394940a62f9a1f3d9e7fda29d64db00de574959b8f15feeb04eb5a
Markdown565101db90cfe3d6d027327b232c29fb7900434e1ede192606105bf7b4123c4a
PDF
Publication pagee1784ade242c6530b661e05e4a89441f9d6ba3432c99f47ef8eacf329620430a
Manifest240f01fd2f0d261bf86c41cac92e8706d091ee7fcd4962e89808c7a83f8497ac

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
SignaturekX8MfSx/aBBLwxU0CPQ/oCiG4exSpsa2+xCRry/xoCJrEG3E1cv666pfCVXg/YYWj2mKAPc53hHZGtQs5ABuDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:34.001543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004083
observed e1784ade242c6530b661e05e4a89441f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:33.972794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004083/manifest.json
observed 240f01fd2f0d261bf86c41cac92e8706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:33.958597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004083/publication.md
observed 565101db90cfe3d6d027327b232c29fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:33.945727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004083/publication.txt
observed 6e6d8fe3ae394940a62f9a1f3d9e7fda...
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.