OpenTechnical

OT-2026-000003748

Publication integrity record

Vacuum cup gripper, four zone face, two 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-2026-000003748) never changes.

Identity and time

Publication numberOT-2026-000003748 · never reused
Internal UUID01a0a90a-f160-785c-a439-06631e55d025 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:41.794937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003748
StatusPUBLIC

Content hashes

Canonical text196debe8306a25e76ca5d6a1023dbac7fc52fdf3888942298e8a8d2c9f4b67b1
Markdown7cc53a7a7309f2a8d7b6d723ba0dcc8ffc26a8f24580fbfbad513625ca96abc2
PDF
Publication page9198d8d6a37745f3bf7748203db562b0294737028ad3095ff73071993c68d92b
Manifestbc6e78a273d2e237eb354757da2c35ef239c3d2999775aa3dd5828bfed341ace

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
SignatureHjZ6LMsPCVsU3aVXUD9u/mwWPUBedvqENIf7lTFE8Ox9SV01LhA7P9dnHiLutylqFU5tQpQ8VUOvJFmpon/hAQ==
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

2026-09-16T07:10:22.935500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003748
observed 9198d8d6a37745f3bf7748203db562b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.919712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003748/manifest.json
observed bc6e78a273d2e237eb354757da2c35ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.906495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003748/publication.md
observed 7cc53a7a7309f2a8d7b6d723ba0dcc8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.891537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003748/publication.txt
observed 196debe8306a25e76ca5d6a1023dbac7...
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.