OpenTechnical

OT-2026-000064880

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000064880) never changes.

Identity and time

Publication numberOT-2026-000064880 · never reused
Internal UUID01a0ae8d-debd-7d91-8ab3-bafb959162eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064880
StatusPUBLIC

Content hashes

Canonical text33b59c577a87e3e6f22e9423cbf75accf4be1c29084a156d8d0552668047046a
Markdownef12fd8149a1fada290c7e4cd9fbd609780bc5d9fa068e8b808a7abd70cf4b8d
PDF
Publication pagecec568534797991605578498827fa01d3841a732682fb8d4282e877dff41aced
Manifestb63e62ac06e7a172e555bf43f021d47f1a3e8071b93b765a8dea32d83dca71b1

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
Signature9BFM5LANIoHE8RW1zNDeAoCGN/o9T+ZoW0jsN+ABWo9vR9rM/Voe+YNwylqNq+AqLerRcs+/ya9o+Wfqv4oOBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:48.284740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064880
observed cec568534797991605578498827fa01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.269325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064880/manifest.json
observed b63e62ac06e7a172e555bf43f021d47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.250906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064880/publication.md
observed ef12fd8149a1fada290c7e4cd9fbd609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.231792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064880/publication.txt
observed 33b59c577a87e3e6f22e9423cbf75acc...
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.