OpenTechnical

OT-2026-000064947

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000064947) never changes.

Identity and time

Publication numberOT-2026-000064947 · never reused
Internal UUID01a0ae8d-debd-760f-956b-f2e0c1f2766b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064947
StatusPUBLIC

Content hashes

Canonical text737bd0b45cfb202d11389a3d710144f1bfcaec9c8a48e18bd40f194886242309
Markdowna7b2862e47d006f6dbba8329a76257a700c08ceb095c85a821e1cb3fdae8a46e
PDF
Publication page7d2dfdc1c9b4c7ca826caa23217c1b087b1a4b3665e8b454f8446c5aa888119b
Manifest6af9c30ceddb42f1c93030b0caf89f103785a7d021a6b08828540faa8d3c8824

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
SignatureZZh229QZLU2c6V1cG1ricWJIdAd0YbN10Lt7XswJt1Tzrs8Dq44HzyBqyEZZcZHvlaMtfXJdIZDex6lAKfQwDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:53.229478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064947
observed 7d2dfdc1c9b4c7ca826caa23217c1b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.211632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064947/manifest.json
observed 6af9c30ceddb42f1c93030b0caf89f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.194194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064947/publication.md
observed a7b2862e47d006f6dbba8329a76257a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:53.175963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064947/publication.txt
observed 737bd0b45cfb202d11389a3d710144f1...
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.