OpenTechnical

OT-2026-000042219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000042219) never changes.

Identity and time

Publication numberOT-2026-000042219 · never reused
Internal UUID01a0ae7a-5d72-7bb0-b340-530a5cd9321b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042219
StatusPUBLIC

Content hashes

Canonical text8ef9d14d6044e2172503b780f5706abecef5c5bf17e678cab0feca7ccb70f8ed
Markdown136f26503b9cf5a1ec4e6c7fd346321881b1988e967f5baccc5ebfd91569115a
PDF
Publication page77f14aebf9188392191b4831e37f9e4478339632a8989979070874e14d9df6cf
Manifest036f4cb3563e75a51f0c621e35cc2ef31879426a4767b17bdb5551cec752fbf9

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
SignatureuWk+fB9cNmY9IkeA1dRzQaTmDYaagh5KpnpFMXggArPvEdfWPYGn5ENfSEj6FH7EEBVYWI943HPLsMNau3vIDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:53.497300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042219
observed 77f14aebf9188392191b4831e37f9e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.474493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042219/manifest.json
observed 036f4cb3563e75a51f0c621e35cc2ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.455840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042219/publication.md
observed 136f26503b9cf5a1ec4e6c7fd3463218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.438001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042219/publication.txt
observed 8ef9d14d6044e2172503b780f5706abe...
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.