OpenTechnical

OT-2026-000005364

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, pump fed, contact triggered, polyurethane cups

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-2026-000005364) never changes.

Identity and time

Publication numberOT-2026-000005364 · never reused
Internal UUID01a0a936-b7dd-7b0f-9b1a-f4c1d3154d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:30.656386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005364
StatusPUBLIC

Content hashes

Canonical texte7b3c9398998e17f9789115e7ce364e153075cca1814e2b41adb0a3450d04138
Markdown4be332d0de1ba4806b9f5accf29bdf6954a3415d7dc9dba34732c90bc780a17b
PDF
Publication page3ae37fdd101f39bf99630d9715e7ede625348ed1f9348d8bae08f3015cbb2e83
Manifest7bd13a35fd544ca2698a42db3ebed9f9110d9c18d0c4c2bbb9377c8c6190bd08

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
SignatureNVIbVjqjbxASV6LKlqA7u+xRPP6OuxD7Rus5eMfU3UxteFS1Weg2jvntwrB2xi9DS0YCq8HQH4f0V9v/hWrZBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:18.122161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005364
observed 3ae37fdd101f39bf99630d9715e7ede6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.988612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005364/manifest.json
observed 7bd13a35fd544ca2698a42db3ebed9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.976054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005364/publication.md
observed 4be332d0de1ba4806b9f5accf29bdf69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.963730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005364/publication.txt
observed e7b3c9398998e17f9789115e7ce364e1...
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.