OpenTechnical

OT-2026-000100567

Publication integrity record

Four cup vacuum gripper, four 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-2026-000100567) never changes.

Identity and time

Publication numberOT-2026-000100567 · never reused
Internal UUID01a0aea3-66f2-7168-8773-92503709e879 · 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-2026-000100567
StatusPUBLIC

Content hashes

Canonical text7d898d56faf5a8ce1bf1ae7944fd7ac638ac2383ed0283c819969040385b0448
Markdown4ccc54fe786f7179054e7e24d93fd360c7d183d5c970f3fedba243fa73d77c42
PDF
Publication pagea2049ecb6ce7fbd52b19d2017ef36765044878a4c315c5b7a2bab54f0bc48959
Manifest81f704a88837399fbea26f17eb8402fbd933a57478170ebd804dcdb766488c2a

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
Signature1STmozNM3HOPCMvMtUIM7oQT1Kw7qVVSQ6m2BWV0ew7ChxtfUCVaqzG6UrVxqySelzQaactFQiK0X+LJFg+lCQ==
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

2026-09-17T09:27:20.764972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100567
observed a2049ecb6ce7fbd52b19d2017ef36765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.744780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100567/manifest.json
observed 81f704a88837399fbea26f17eb8402fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.722286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100567/publication.md
observed 4ccc54fe786f7179054e7e24d93fd360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.637672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100567/publication.txt
observed 7d898d56faf5a8ce1bf1ae7944fd7ac6...
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.