OpenTechnical

OT-2026-000100042

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000100042) never changes.

Identity and time

Publication numberOT-2026-000100042 · never reused
Internal UUID01a0aea3-1474-715c-9aba-2c2ed0719f54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100042
StatusPUBLIC

Content hashes

Canonical text1cf6ae2272147020498ef77c4b3908562d1688b49528fed75c7659e1bc10c852
Markdowncf166dd4e987b1165c5bfd8f6e18fbeae6ffdc43445b4ebbf810297f0e752287
PDF
Publication pagef4eb54463d12bf8f36c9552a4cdfaee766c0731d96b45a67de7a56cc4f2adfdc
Manifestef33094ee944f19c26ea9b96501e7b563a133d2d4dc6362ce3e661c65441be61

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
Signature86SLG5YYF45xi0t7hwcT2behFcIz7cxNaK8QtQ47nvMJgm2xxOI5a6aUKpBxMhOpDiNHmI6n/vNciGlGVSlkBw==
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

2026-09-17T09:28:58.852598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100042
observed f4eb54463d12bf8f36c9552a4cdfaee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.835381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100042/manifest.json
observed ef33094ee944f19c26ea9b96501e7b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.816970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100042/publication.md
observed cf166dd4e987b1165c5bfd8f6e18fbea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.797759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100042/publication.txt
observed 1cf6ae2272147020498ef77c4b390856...
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.