OpenTechnical

OT-2026-000053083

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000053083) never changes.

Identity and time

Publication numberOT-2026-000053083 · never reused
Internal UUID01a0ae84-a431-7665-a3ad-79e36b20bad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053083
StatusPUBLIC

Content hashes

Canonical textbb32ea2a9ac6575d4c53ecea8003187e220f2c46dc0ca2eee77efb36379f28b4
Markdownefc7bd4ea2653889fac821d678fdbc29f751e201a117a32cb8e5e57cf8789d40
PDF
Publication page8ddef44da6c304ec9c00d3a3948ecbcff9127c724940e52680b76f1c4aedeb04
Manifest62d75c013ad092af181127285790b3ff15c4588575831e1412292e63f55167b8

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
SignaturebGbOjt12h9PtA4BNcXdCcvMVuTay4IsOz3b0SDbY7ZWJdVq7iAdjolKtan63o909yDT2VOK84xhOkk2CLKQgAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:48.146129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053083
observed 8ddef44da6c304ec9c00d3a3948ecbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.127993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053083/manifest.json
observed 62d75c013ad092af181127285790b3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.108953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053083/publication.md
observed efc7bd4ea2653889fac821d678fdbc29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.090959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053083/publication.txt
observed bb32ea2a9ac6575d4c53ecea8003187e...
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.