OpenTechnical

OT-2026-000004359

Publication integrity record

Porous face vacuum gripper, three zone face, two outlet manifold, two 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-2026-000004359) never changes.

Identity and time

Publication numberOT-2026-000004359 · never reused
Internal UUID01a0a915-1c55-759d-aff2-153946dc46b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:18:48.151630Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004359
StatusPUBLIC

Content hashes

Canonical textae5432a49cbe1b73281e6c51c95ea42d16422a24907f71ed539b4e5b03a32d78
Markdown42384e21f78d339919eda64ab62ebf8aba8a7161487951ce452b9f8336d5f70a
PDF
Publication pagea2d11f4b525777fb9fc5cbb3e40ccd0adcde51f602e09d67ef1abc046e4dc68d
Manifestb727eaf53718c0703382fbec3f353f951ccb361a5a51d3cb1d04eee3e3ba1ac4

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
SignatureQvPWIyMHo5t3tK2Ch4XVWsfJw3B8p5f01S1mJentSVdBwyJJaxQxnp2+53/0oARFYC0Q1VEUaffGPFPXnGBgDA==
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

2026-09-16T07:20:06.884141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004359
observed a2d11f4b525777fb9fc5cbb3e40ccd0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:06.870013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004359/manifest.json
observed b727eaf53718c0703382fbec3f353f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:06.734322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004359/publication.md
observed 42384e21f78d339919eda64ab62ebf8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:06.719836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004359/publication.txt
observed ae5432a49cbe1b73281e6c51c95ea42d...
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.