OpenTechnical

OT-2026-000005612

Publication integrity record

Vacuum cup gripper, four zone face, pump fed, 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-2026-000005612) never changes.

Identity and time

Publication numberOT-2026-000005612 · never reused
Internal UUID01a0a93e-fdea-7090-9936-b5fae30e4497 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:32.876922Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005612
StatusPUBLIC

Content hashes

Canonical textba043c4e93efb13e4fea82b7615192014b85c9e3f014b5791c0bc2f24c98c2e1
Markdown83f0c2bf8209d5e97ecc096b4dfb24df598a1026306ed6035df79ee6b7fb15b2
PDF
Publication pagef3f46004018af25cbe0b570b47f771f0656d2a814569d4ee9769d9f8e650e8ae
Manifest26a3df05ad85e4a4cecf88542ebd764bc76374fba7c6bf7b73ecc3043576d7c4

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
SignatureLuAKcN7800iejSO0XRBVbpOymr9zuKwVS9eEEW1s/4OQSI7377Agsm6u0JEr4q5rCnjUhqxE7wazvbmQ4xpfAw==
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

2026-09-16T08:10:20.887379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005612
observed f3f46004018af25cbe0b570b47f771f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.873206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005612/manifest.json
observed 26a3df05ad85e4a4cecf88542ebd764b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.737212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005612/publication.md
observed 83f0c2bf8209d5e97ecc096b4dfb24df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.722376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005612/publication.txt
observed ba043c4e93efb13e4fea82b761519201...
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.