OpenTechnical

OT-2026-000014085

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000014085) never changes.

Identity and time

Publication numberOT-2026-000014085 · never reused
Internal UUID01a0ae6d-8deb-7222-9913-ad0f458ea62b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014085
StatusPUBLIC

Content hashes

Canonical text172d0372030864662dcac78f95110ba977c2ab4172eaa40346eedb8a38ad571e
Markdown8bbf9825c58eef3cf76ff0e5bec034650429845a41cc3411c99a2b7e4b0c76c7
PDF
Publication page3898a2b8de719fdbc54e63efe69e7b310ebd9bcd30f6c55698f5828e89a40fa8
Manifest79a47c2d3047946ea652cb3f2e981c208d840e3222f2fd21ab110ff3f0633e1f

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
SignatureKDpTZm1KVUrw5GJ2oTm6/wZOgaq/vvMOrA94vldZ+SWFKMvWGH7Sge5oq5UXNMaC0ZJdhmCYlXflhwkIFdynCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:20.245098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014085
observed 3898a2b8de719fdbc54e63efe69e7b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.227565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014085/manifest.json
observed 79a47c2d3047946ea652cb3f2e981c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.207765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014085/publication.md
observed 8bbf9825c58eef3cf76ff0e5bec03465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.189223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014085/publication.txt
observed 172d0372030864662dcac78f95110ba9...
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.