OpenTechnical

OT-2026-000013564

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed 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-2026-000013564) never changes.

Identity and time

Publication numberOT-2026-000013564 · never reused
Internal UUID01a0ae6d-6fcb-79e8-9f0c-e589ea18ce1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013564
StatusPUBLIC

Content hashes

Canonical text0e08f3d1fa154f1a4b22aa8321adaf29016fdc0f789a281ae3b7751cea91b770
Markdown527f4be083acfd2b1445f7de1e3e3f55160b419f7a957e2eed5c948316475a58
PDF
Publication pagec4b83b7f687c0e4aa90ef1b1c94a33dc11643b75a5671c8060309d8a7c0c3776
Manifest2abe6b3d2cc688dc3a0134c449f71d1edc71cc2a38af05223b98f62668c3d2cb

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
SignatureV7b4M16itturKelpdxwbfBPvRHKZT8BtBU7/cDS0PKaev4EYlP3UBn5b90h/p5QhbR2W6qburNMmbAu9Ql4cAg==
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

2026-09-17T12:10:06.572352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013564
observed c4b83b7f687c0e4aa90ef1b1c94a33dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.553090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013564/manifest.json
observed 2abe6b3d2cc688dc3a0134c449f71d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.535796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013564/publication.md
observed 527f4be083acfd2b1445f7de1e3e3f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.516978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013564/publication.txt
observed 0e08f3d1fa154f1a4b22aa8321adaf29...
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.