OpenTechnical

OT-2026-000064683

Publication integrity record

Foam pad vacuum gripper, four zone face, two 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-2026-000064683) never changes.

Identity and time

Publication numberOT-2026-000064683 · never reused
Internal UUID01a0ae8d-deb9-7671-bb39-f4df9253c278 · 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-2026-000064683
StatusPUBLIC

Content hashes

Canonical textf7476e48d4c1277508a0b9435480c5a6011724dee5710f0ef31a4275ae86806e
Markdown81c06dea03b28534ca2956a28221dbb4c1a500a3b5d046c4769c704a9b401476
PDF
Publication pagef6ecb93448eafe01ec849663b3e94068454fac09a81856159834eaab082164ae
Manifestdc5a87c9af54630cfe554fb157d3dd2673d3cc6fcd1bc62506e357f9fe688cc9

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
SignaturebdZfgcowrCvPRb4fBUnvL3BT4lRQrspQDg1l1xfHIrhSlRH4vuzqWHmz3ztx9PNtYwa76vUoB8+rFPgsMl3+CQ==
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

2026-09-17T10:35:28.780523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064683
observed f6ecb93448eafe01ec849663b3e94068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.761733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064683/manifest.json
observed dc5a87c9af54630cfe554fb157d3dd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.745321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064683/publication.md
observed 81c06dea03b28534ca2956a28221dbb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.727443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064683/publication.txt
observed f7476e48d4c1277508a0b9435480c5a6...
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.