OpenTechnical

OT-2026-000003568

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, two stage ejector, pressure verified

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-2026-000003568) never changes.

Identity and time

Publication numberOT-2026-000003568 · never reused
Internal UUID01a0a90a-677f-7248-b903-e867400297ae · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:06.498521Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003568
StatusPUBLIC

Content hashes

Canonical text783136a165b288cb5b9785e7078fe73d34c7f253f5f4e2c2d70a4aa6cd59ab5c
Markdown496d01d63f12e8ff61911841393b0c9c8cb24600488e960110ad1832e1ff5a76
PDF
Publication page804929a661ec69c6b62162a797acad844e5d32ca5c9c7d01c3508129706e1692
Manifest4e4f566df15d72b0c0e241be346c99336962c2c8e6c7029e22054efd20c06f52

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
Signature/RLzY0luvu4NCxHAUI3ZWytcN25MjjWagN8Z3jYLKXI1erVjLrlbm1rkHFONFxXqVQ6DLP65Wz8ax0O1eubfDw==
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

2026-09-16T08:40:39.743775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003568
observed 804929a661ec69c6b62162a797acad84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:39.730577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003568/manifest.json
observed 4e4f566df15d72b0c0e241be346c9933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:39.715972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003568/publication.md
observed 496d01d63f12e8ff61911841393b0c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:39.701494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003568/publication.txt
observed 783136a165b288cb5b9785e7078fe73d...
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.