OpenTechnical

OT-2026-000050343

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000050343) never changes.

Identity and time

Publication numberOT-2026-000050343 · never reused
Internal UUID01a0ae82-5c47-7fc7-a59c-9a317c77147d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050343
StatusPUBLIC

Content hashes

Canonical textf5e7ca98b289d9c1842d2f9a3a41223fcb53c3a22d25a5eb49c02a72b1b5d3c7
Markdownfdb56c50824256acfde01b2cd55426b003467e67d1b12d32dafed8c4ecb38e38
PDF
Publication paged521c01594cece699b8e92c159053fca61c0225b80cc4342e5416205098228e4
Manifestdccd79a89ec4fde0d909d7a3c41980afb8f35f772b6b6a5143e44e9ce8942635

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
SignatureUyBHyW6r5TJTUFwfd2lRzaLsyL1mT9GYiGK2ArUSuSdHkOnvWa/4mRta4aD36L06bdRgV1sQ4buLcrqTex1yAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:22.274115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050343
observed d521c01594cece699b8e92c159053fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.257039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050343/manifest.json
observed dccd79a89ec4fde0d909d7a3c41980af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.241547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050343/publication.md
observed fdb56c50824256acfde01b2cd55426b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.223827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050343/publication.txt
observed f5e7ca98b289d9c1842d2f9a3a41223f...
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.