OpenTechnical

OT-2026-000005680

Publication integrity record

Vacuum cup gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000005680) never changes.

Identity and time

Publication numberOT-2026-000005680 · never reused
Internal UUID01a0a941-30e2-71d1-85ab-96ccdcad64d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:56.996844Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005680
StatusPUBLIC

Content hashes

Canonical text460335de0f97078ea605e625fa4fcc8c637e35d81a05373ffa86e62ad18bfc9d
Markdownd19d0cdebb2f1c4275071b643566cc71370ddf8b218cd7b586beacd2246bc1dc
PDF
Publication page7f696e03f06e880c0167aefd953a16e72208b9cef0830cd7364eaefcb2cc23be
Manifest92435fbbf6469647aace07ad0086e5a494e41d9f8102f588453412a761828adc

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
Signature4QOiDtUKrc1kvnOGy4ekm58e4WoZA41SfwojJMqIv7EN6EvLe4CCnieaxGcpnoEhpWZ6rmtwQ1n+DdT56mbsDg==
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

2026-09-16T08:10:12.646706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005680
observed 7f696e03f06e880c0167aefd953a16e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.631066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005680/manifest.json
observed 92435fbbf6469647aace07ad0086e5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.492632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005680/publication.md
observed d19d0cdebb2f1c4275071b643566cc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.476457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005680/publication.txt
observed 460335de0f97078ea605e625fa4fcc8c...
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.