OpenTechnical

OT-2026-000067099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000067099) never changes.

Identity and time

Publication numberOT-2026-000067099 · never reused
Internal UUID01a0ae8f-14ff-711f-a4bf-d611a5a17e80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067099
StatusPUBLIC

Content hashes

Canonical textc6102556198c72c2ff1f7a408bb58642c37a720aca1ac9b43f13aaf16ec6cac2
Markdown3049a19d7cd67be4e9c0c9ce22d687c69040d965eaab01aa931cab55981a2f50
PDF
Publication page992fcdffbf0f8f13c5a1b45ae0704170fb2c53ccdb0ca5d128cf82aa030ee493
Manifest4753ad55d1b01fad1cddd029940d88ea69bc93656fe207ed5afb5480b9499b75

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
SignaturetaF6kInsnKKTQxiEhjsCmQBORQW7g7ELbiUaqnoC0idkKiX4kSkQXJ7YNSswUfcPY+4PiPsH/LbBvewjSRVcBw==
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

2026-09-17T10:32:21.986578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067099
observed 992fcdffbf0f8f13c5a1b45ae0704170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.969259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067099/manifest.json
observed 4753ad55d1b01fad1cddd029940d88ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.951529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067099/publication.md
observed 3049a19d7cd67be4e9c0c9ce22d687c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.933666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067099/publication.txt
observed c6102556198c72c2ff1f7a408bb58642...
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.