OpenTechnical

OT-2026-000064347

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000064347) never changes.

Identity and time

Publication numberOT-2026-000064347 · never reused
Internal UUID01a0ae8d-a460-7fa5-85a3-18ef750b2dfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064347
StatusPUBLIC

Content hashes

Canonical text55cd71b49be2fa3b52570f4f4c6e3cf48cd5968f0645230c7f644d5c69819f30
Markdowndd43d1ed5a4891d4e7ed56c8de878e2226e125d8244da4571269a7ea9a6a9119
PDF
Publication page5ac18294b2db0d158d3647ed1573402e40be157d96220d8092271c97e527b990
Manifestf194a68d6b2cac0f6b905ddf1bf3c96604af62b5365495ad1f1ba78e8cf09243

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
SignatureGB7cqhlzFrmWVJuPEfo5yQnhBhayn9VcZveYhs0xjzJ4ugrTPk7NX8Jccy93WzsFjf9SX2rIlCUxa1w6DbkjAw==
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

2026-09-17T10:36:30.369179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064347
observed 5ac18294b2db0d158d3647ed1573402e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.351047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064347/manifest.json
observed f194a68d6b2cac0f6b905ddf1bf3c966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.332334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064347/publication.md
observed dd43d1ed5a4891d4e7ed56c8de878e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.315131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064347/publication.txt
observed 55cd71b49be2fa3b52570f4f4c6e3cf4...
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.