OpenTechnical

OT-2026-000070833

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000070833) never changes.

Identity and time

Publication numberOT-2026-000070833 · never reused
Internal UUID01a0ae91-8c2d-7206-b3c3-667ea608fdd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070833
StatusPUBLIC

Content hashes

Canonical text46d9f4da156cf989d8ad9c7ea1eee91ebba1dd22ec111a0c7b50b6afceda3913
Markdownbfa33c08d92cc08d06887dd7dca1e6306307986ab72ed179c4a69f139ddb0924
PDF
Publication page4e4beec6bc4e7798aa88be3f326ce81f82a7792db6f30a9b180871d4cc09727b
Manifestc6dac1d6dec3faeb3b4c6cd17e0768dd664e7a440d233240e90014ae88d30514

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
SignatureZ5T4PmUsLrs9gD0Eg8PPjvwbhdPHUYBOkkmi+L3hef0PrA/+q/zc7PVrg9lPggzjSyWgqFO7KB8AwBSfkpk2DQ==
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

2026-09-17T10:25:38.951674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070833
observed 4e4beec6bc4e7798aa88be3f326ce81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.934704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070833/manifest.json
observed c6dac1d6dec3faeb3b4c6cd17e0768dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.918848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070833/publication.md
observed bfa33c08d92cc08d06887dd7dca1e630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.899784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070833/publication.txt
observed 46d9f4da156cf989d8ad9c7ea1eee91e...
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.