OpenTechnical

OT-2026-000069125

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000069125) never changes.

Identity and time

Publication numberOT-2026-000069125 · never reused
Internal UUID01a0ae90-6dce-7612-b895-5543a1a11df5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069125
StatusPUBLIC

Content hashes

Canonical textda00a80352d18e024195b0a4576f8ea40050b8dbbfa080b1607d9a1e9f06cc0f
Markdowna06e6740e76d8b5b757ef2c41480f018093b3f0b9180ffd04e816ca543915592
PDF
Publication page9d1e52ef64abbee858967dc6e5e6477fefaa404ba663bfa50aa01533ad9611e5
Manifest8b3a68cf8addafd9ac0586cd0f74bf3c6113711a50df17ba35422351da802f1c

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
Signatureo8oBgtTMosunh9rohhOAmfMJjsPqVKBo1pXtyPmKqLU6sFBz8P/x63hxFw242KXac/iQ2Euw7/wM6F4cwIgGDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:00.267232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069125
observed 9d1e52ef64abbee858967dc6e5e6477f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.251512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069125/manifest.json
observed 8b3a68cf8addafd9ac0586cd0f74bf3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.234185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069125/publication.md
observed a06e6740e76d8b5b757ef2c41480f018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.217265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069125/publication.txt
observed da00a80352d18e024195b0a4576f8ea4...
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.