OpenTechnical

OT-2026-000006614

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, pulsed 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-2026-000006614) never changes.

Identity and time

Publication numberOT-2026-000006614 · never reused
Internal UUID01a0a961-6692-7fa7-879d-5db7e013da98 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:07.893100Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006614
StatusPUBLIC

Content hashes

Canonical textd9245e3c5238a0dde7d26f615ff5bfcac394f3fe0496e421ece56879fe752ddb
Markdown5ebedc5be6c19385934dde9b87d4adb2105622acdc2598c74c77b737c20b1b34
PDF
Publication pagebfbbbbe08a8217bd251f2d02d4e5ddf2694d1660cb91a8b4b1d1c5d991e64709
Manifest43b0105266ea6a2a852fa09f7e22d15639c7d28d7766472fb3ffae14d02a2944

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
Signature5mHG7RrYTIA3Gwoj91JNUj/eLmqzh0xEEjgRcKHfvGt17KYvm8trxx3Tp5S9Rx7HE3uj0uIO1NVPhrhgnpRHDA==
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

2026-09-16T08:50:25.162722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006614
observed bfbbbbe08a8217bd251f2d02d4e5ddf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.150600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006614/manifest.json
observed 43b0105266ea6a2a852fa09f7e22d156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.136437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006614/publication.md
observed 5ebedc5be6c19385934dde9b87d4adb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:24.997619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006614/publication.txt
observed d9245e3c5238a0dde7d26f615ff5bfca...
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.