OpenTechnical

OT-2026-000099805

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000099805) never changes.

Identity and time

Publication numberOT-2026-000099805 · never reused
Internal UUID01a0aea2-c978-7d6e-b2a7-69d85a226ec9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099805
StatusPUBLIC

Content hashes

Canonical text2009c9148854a528b4f17051ccca6d8deb489b1ecfaa672155ec708e3e5eb03b
Markdown589745c2fae36224274431159627fac1475e94720c5e468ddb77c5dce34e4bab
PDF
Publication pagedcaf7a61b328b565c2ecd4fd228a9f48287a61dba4cbb70a47ed8ebee180753e
Manifest7d64cb7974427454876c4fe12b67bc73d7a172dbbecd85f52f2b6d3e9e68fd80

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
SignatureaSrXy9Xn1tcn8jauEZ4hZdOuj3PB1om+6R1Dp4TvpB26BJfHeuRdVG4EokfDM2mxbJIXtVeK3em8t0KopPCXDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:50.607148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099805
observed dcaf7a61b328b565c2ecd4fd228a9f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.591339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099805/manifest.json
observed 7d64cb7974427454876c4fe12b67bc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.576038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099805/publication.md
observed 589745c2fae36224274431159627fac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.559005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099805/publication.txt
observed 2009c9148854a528b4f17051ccca6d8d...
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.