OpenTechnical

OT-2026-000103929

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103929) never changes.

Identity and time

Publication numberOT-2026-000103929 · never reused
Internal UUID01a0aea5-15e7-7624-b527-d9736a51fcd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103929
StatusPUBLIC

Content hashes

Canonical text639dffaa789a78c8ad0400b19b6521bf46313d1b56399c2ade08e88f822a127c
Markdown40715b0a240c5b0739d07bb9e148c767533597469d5cdc76fcc50bc04a1bb196
PDF
Publication pageb1258a7151bf1b93fa84a8e534f3b820784c3f8ebda7225a2a6c4d724436c094
Manifestf985f921bc583762d816f4eaa0e97649466e74061a7f61aef58f44bc66c9d698

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
SignatureFB/GU7II3O+so9vUGpQi42tZCCyf7l0d6l4mIXGegdD4KQu21akq7vdkay+K9XEdiqcT9Rl8f0UvIbeQsbnnAg==
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

2026-09-17T09:21:55.602848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103929
observed b1258a7151bf1b93fa84a8e534f3b820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.587712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103929/manifest.json
observed f985f921bc583762d816f4eaa0e97649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.571568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103929/publication.md
observed 40715b0a240c5b0739d07bb9e148c767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.554879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103929/publication.txt
observed 639dffaa789a78c8ad0400b19b6521bf...
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.