OpenTechnical

OT-2026-000014081

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000014081) never changes.

Identity and time

Publication numberOT-2026-000014081 · never reused
Internal UUID01a0ae6d-8deb-7c52-94ba-5d4edca7302d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014081
StatusPUBLIC

Content hashes

Canonical texte93e7e845240921bf485790ad55c329d57bc12bb698ba75a375254f23e4c811b
Markdown123bc3778e81df4ab1a8dd95c9698fd563792fd146f7dfa4008a14d6e48d1eeb
PDF
Publication paged2da22cbbfc468f6012a9c45d7c07828bd95b20faefc2d318059696a646c4f8d
Manifestb5af8a249acfaa570d9e7984aa37c55574902ae505d6aea5923fa8b1a36d05c4

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
Signature9AmB0yWrgJVauiePJN4Ac5QLlPdzkMQiE4d+bU59c3VmsjJTkWnUKAE4QsvD21DvyuFHW9W2C5c6KBKxv0RSAg==
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

2026-09-17T12:09:19.921321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014081
observed d2da22cbbfc468f6012a9c45d7c07828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.901110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014081/manifest.json
observed b5af8a249acfaa570d9e7984aa37c555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.884346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014081/publication.md
observed 123bc3778e81df4ab1a8dd95c9698fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.864947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014081/publication.txt
observed e93e7e845240921bf485790ad55c329d...
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.