OpenTechnical

OT-2026-000006392

Publication integrity record

Vacuum cup gripper, pump fed, pulsed blow off before set down, rubber cups, flat form

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-2026-000006392) never changes.

Identity and time

Publication numberOT-2026-000006392 · never reused
Internal UUID01a0a959-62e5-7923-84f1-cebd418a0879 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:22.663992Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006392
StatusPUBLIC

Content hashes

Canonical text25a65ecc593c153f3126d3ea7e7e8738fb1313fb62706a041af87a346d878d97
Markdown91ed07ce46434130c0302862280e091daff8b982733e8132a8b22866dfb5dda8
PDF
Publication page8dcbda522414ddeaf2263f92786748800b2ed20e2f7dd06693ba89c9c2e68f9b
Manifest357ef5fbcb74d61efd65944de05a11978fba889c6325488c2bfdc00db9cc8384

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
SignatureeCKi8tuG+nvxrhZUxRg3RBqsjKBOzFJA16vld9hxfUfkfjIwc8w9SJFCZ91+rpBjl2PXD1jf5mrnqyY//HQMDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:22.938001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006392
observed 8dcbda522414ddeaf2263f9278674880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.923684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006392/manifest.json
observed 357ef5fbcb74d61efd65944de05a1197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.910728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006392/publication.md
observed 91ed07ce46434130c0302862280e091d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.898192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006392/publication.txt
observed 25a65ecc593c153f3126d3ea7e7e8738...
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.