OpenTechnical

OT-2026-000100438

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000100438) never changes.

Identity and time

Publication numberOT-2026-000100438 · never reused
Internal UUID01a0aea3-66ef-75a4-b0f9-c532c8f367f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100438
StatusPUBLIC

Content hashes

Canonical textdab34fa5a942ae2336e5a7d1700e3591ebe0b1e5e9d81c862b8b6b9e44ecad56
Markdown0e6cd4665c08352c70e31fa469b52cd3da6bb3ba477d7c19ffe35fbaeaa5ed4d
PDF
Publication page8419fc260a51440fb5ad039391d6408b778fac2454673076baebf7db5fa13a61
Manifest3e8766627fe7aaa9aa2fa4d5095c8992827a31622062dfaf824392c4e981163c

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
SignatureOTXo7hQGbsW/D3Fkp9Hiy19fR+n+Q2Z03qiK8SNblLizPBrsMS+YVrox6mR7lnxEmjQHVMa0+8J/JMpgzAAmAg==
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

2026-09-17T09:27:10.907285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100438
observed 8419fc260a51440fb5ad039391d6408b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.890179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100438/manifest.json
observed 3e8766627fe7aaa9aa2fa4d5095c8992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.873196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100438/publication.md
observed 0e6cd4665c08352c70e31fa469b52cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:10.855816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100438/publication.txt
observed dab34fa5a942ae2336e5a7d1700e3591...
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.