OpenTechnical

OT-2026-000090592

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090592) never changes.

Identity and time

Publication numberOT-2026-000090592 · never reused
Internal UUID01a0ae9c-7f2f-7b19-8869-c5ad3a530092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090592
StatusPUBLIC

Content hashes

Canonical textfff24e655c461e4a08c52ba15a157653abe640f3264b4b0649e6b1e52826c369
Markdown346d2bf641cec00b276964adcdbd78a358d38c3c4a31b79242b7559d4e991b9b
PDF
Publication page904af6bb48ad9f0848729ec5bf537726f97ed3e3ef5b4670d26e0dc2d97d7ffb
Manifest626df02f1febea7e1ac9ff559f7c05096fc1c0c371ee458968be38d611d57980

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
SignaturenrCGQofIVDDEmgYSC5Rg/39gbPsQOYv+4trlCZ5RCliUfzPztCSfJbU6IJLY17rBNf5VPXc+rnFiKaG048uQDw==
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

2026-09-17T09:44:46.599017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090592
observed 904af6bb48ad9f0848729ec5bf537726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.582020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090592/manifest.json
observed 626df02f1febea7e1ac9ff559f7c0509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.564753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090592/publication.md
observed 346d2bf641cec00b276964adcdbd78a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.547601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090592/publication.txt
observed fff24e655c461e4a08c52ba15a157653...
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.