OpenTechnical

OT-2026-000014013

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000014013) never changes.

Identity and time

Publication numberOT-2026-000014013 · never reused
Internal UUID01a0ae6d-8deb-719d-a968-a633e9889f11 · 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-2026-000014013
StatusPUBLIC

Content hashes

Canonical textfe269399eed5ff4d99f67f5b65cbe8d913ba3e69862d23800b8556662d3b2123
Markdownd3803d0beee04367943e826eda19073543d692207bf80c370fe78eea76d3f22e
PDF
Publication page72e0c3ce7ff305f9db7eb190bbfad0799c3efb3e4f8ab9cceb32c424da472667
Manifestf9187e2c95354b3e8abf1534d1e3ddc91d3c29baaf92f240bccc3fa30ac3fdf8

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
Signature8bI125juSuZtXY3rit35CR41oXQu5wiQjcaXkNVahrtr3riJ4ws+oQy0qFYRpclsbKdIKWCFwU6u4BWXW74/Cg==
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

2026-09-17T12:10:30.546909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013
observed 72e0c3ce7ff305f9db7eb190bbfad079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.516370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013/manifest.json
observed f9187e2c95354b3e8abf1534d1e3ddc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.496606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013/publication.md
observed d3803d0beee04367943e826eda190735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.462105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013/publication.txt
observed fe269399eed5ff4d99f67f5b65cbe8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.602559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013
observed 72e0c3ce7ff305f9db7eb190bbfad079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.572473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013/manifest.json
observed f9187e2c95354b3e8abf1534d1e3ddc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.553139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013/publication.md
observed d3803d0beee04367943e826eda190735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.523953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014013/publication.txt
observed fe269399eed5ff4d99f67f5b65cbe8d9...
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.