OpenTechnical

OT-2026-000100357

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000100357) never changes.

Identity and time

Publication numberOT-2026-000100357 · never reused
Internal UUID01a0aea3-3054-71bc-ae78-d892ede66fec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100357
StatusPUBLIC

Content hashes

Canonical text2a2ebbc36fcedf61fb7b14ccb8c1b2b85d834e3741e6a9969dbb8e93804fdc06
Markdown3681f491d6a2373d84d9345116d982c1e81ab61bab12170cea1b78800a573c74
PDF
Publication page286ccae1f34f5d09dc4a6d2654f3622345208fc4729d69ea9f7195e9b30d0408
Manifest1ddde4f7ef3fa90eecc40ded5deaf1961d3e693f34607814cec8273a76e9bd89

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
Signature6e+T0VD3UV7DoAs/P0nniemM1hl+Zgj8b8MfFY2CAa8I2muOvQF2/LHxyrk/wj4EF+HAty/Uz8dfUBlH1SxcCg==
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

2026-09-17T09:30:18.570939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357
observed 286ccae1f34f5d09dc4a6d2654f36223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.551988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357/manifest.json
observed 1ddde4f7ef3fa90eecc40ded5deaf196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.529460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357/publication.md
observed 3681f491d6a2373d84d9345116d982c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.508866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357/publication.txt
observed 2a2ebbc36fcedf61fb7b14ccb8c1b2b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.845947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357
observed 286ccae1f34f5d09dc4a6d2654f36223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.826019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357/manifest.json
observed 1ddde4f7ef3fa90eecc40ded5deaf196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.808092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357/publication.md
observed 3681f491d6a2373d84d9345116d982c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.787626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100357/publication.txt
observed 2a2ebbc36fcedf61fb7b14ccb8c1b2b8...
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.