OpenTechnical

OT-2026-000004485

Publication integrity record

Porous face vacuum gripper, per zone isolation, three 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-2026-000004485) never changes.

Identity and time

Publication numberOT-2026-000004485 · never reused
Internal UUID01a0a919-96d4-7b2e-b81e-a04b043b6e6f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:23:41.654816Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004485
StatusPUBLIC

Content hashes

Canonical text98f03d24cbe627b59e20489d38050f0d2891296cf2cf3172323fd4f967dab1fd
Markdowne8ded7af4746fbf48f46567dbfeba6a930c77df5da14ee3cacbd136bbfb17e2c
PDF
Publication paged2971d8c83ee18d663d026da77174a4fd167c379b658bbfe1c53320afdc04f45
Manifestf34d2f29bf23d04ff6b01f1bc900557efcb4504a41ed49b5fd4477dba280f18b

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
Signaturebga0EecxeTtvxrlrgfuQ8pc9yRJxInZgq5uZXxcXBIgmK9JibSZl1VDsE69DGQVGPwAXcxTJajMfUIeQIWGQAg==
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

2026-09-16T07:30:22.454519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004485
observed d2971d8c83ee18d663d026da77174a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:22.441761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004485/manifest.json
observed f34d2f29bf23d04ff6b01f1bc900557e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:22.425391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004485/publication.md
observed e8ded7af4746fbf48f46567dbfeba6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:22.407931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004485/publication.txt
observed 98f03d24cbe627b59e20489d38050f0d...
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.