OpenTechnical

OT-2026-000030477

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000030477) never changes.

Identity and time

Publication numberOT-2026-000030477 · never reused
Internal UUID01a0ae73-e504-7d1d-a657-31f4565f88f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030477
StatusPUBLIC

Content hashes

Canonical text1b1919c2f598b3f96599afbe6f685709d36f6c189f765f70d4a4ddc8338a5b40
Markdownbad0c53b534664cf05ca6a530613c33b33ccf9ad7cd8a8709b30e029f98198bb
PDF
Publication pagec6571ba81b83077a2694a43986863edeec7a2195a7ee48cb6ffb33ef0a3b4990
Manifest6e15adb57ea4ed305b46179158f68b0022d6f3ad3062d4268ee2537ea25649b3

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
Signatureqb+cenfSJRB6n5Ld2y2M5wnqb+xdGWpA8xl7OQQtxYdtYsdnsystYbCxTAFN0oWgX0L9TGlEMptC5AADert/Dw==
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

2026-09-17T11:38:19.503719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030477
observed c6571ba81b83077a2694a43986863ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.485349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030477/manifest.json
observed 6e15adb57ea4ed305b46179158f68b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.468534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030477/publication.md
observed bad0c53b534664cf05ca6a530613c33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.448986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030477/publication.txt
observed 1b1919c2f598b3f96599afbe6f685709...
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.