OpenTechnical

OT-2026-000074785

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000074785) never changes.

Identity and time

Publication numberOT-2026-000074785 · never reused
Internal UUID01a0ae93-ac2c-7b5e-8404-e3bdc46b80d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074785
StatusPUBLIC

Content hashes

Canonical textb611ae6bc13c2758840912b9860d3c7b651108e2dd807d2db0e4f60b7b72f138
Markdown9d65072ad4b69c0a7e46fca4835ad226f3652af7a1af8fad2a2c91fffcaefcb5
PDF
Publication pagedb86a110c963190fd9714a543114dfb778a8e7e5fe3b2d2901ab205151e6ef38
Manifest246fd2d0424c1f7f5e6ed0c52dad4e509d5ee262b7075f144329ff2d50eb7e46

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
Signature3i2GMEphW/G9CB/Zw7miSls8TKWw+qMg5uycrb9rp8BAfMjUp9o+HkbTSH8Yh794aE8ed0+8na+H2Vegug0GBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:05.315144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074785
observed db86a110c963190fd9714a543114dfb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:05.295899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074785/manifest.json
observed 246fd2d0424c1f7f5e6ed0c52dad4e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:05.274511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074785/publication.md
observed 9d65072ad4b69c0a7e46fca4835ad226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:05.064596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074785/publication.txt
observed b611ae6bc13c2758840912b9860d3c7b...
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.