OpenTechnical

OT-2026-000099717

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained 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-2026-000099717) never changes.

Identity and time

Publication numberOT-2026-000099717 · never reused
Internal UUID01a0aea2-c977-7bfb-9d49-d7dd073a2863 · 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-2026-000099717
StatusPUBLIC

Content hashes

Canonical text4a4b0aac99addb615ce0082f30bde304d6d85f315526a8c56f6e87b59223946f
Markdown83faad0309474101e96a9fbcf0a35277c14798baefb961a45d742c93b7e86047
PDF
Publication pagebb773c920df8a6e3f10af14870e7006796495812148bad33a6f6994985fb88a2
Manifest2ea760524264d57b0cea46640e7112f960f28902ab7dac33b0297132c4520172

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
SignaturecXvEhG9x0JmE2eOpIKqfFMz7bqYRzr7RzLGrvmaCHcsqHSuvk5CYUITgrBFYv71tdOxeFO5H42DQLr5qS1DEBw==
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

2026-09-17T09:29:44.106639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099717
observed bb773c920df8a6e3f10af14870e70067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.087703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099717/manifest.json
observed 2ea760524264d57b0cea46640e7112f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.070239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099717/publication.md
observed 83faad0309474101e96a9fbcf0a35277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.052699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099717/publication.txt
observed 4a4b0aac99addb615ce0082f30bde304...
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.