OpenTechnical

OT-2026-000010477

Publication integrity record

Single cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000010477) never changes.

Identity and time

Publication numberOT-2026-000010477 · never reused
Internal UUID01a0ae6c-0ee7-781a-bc3e-0d37092776ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010477
StatusPUBLIC

Content hashes

Canonical texteba96a7fc25d60e4ad5ca05da42cb1a176a677e0dfea8eb6fc3159590702688c
Markdownf6d421e82676cd077b754fcea9609a420dde552e7805ccfb91bebb754efaea28
PDF
Publication page85e017d9805f689dd1f7355ffbed587fad7c40e0d5f93c6975ebdd0ad36475e0
Manifest3656ff56de6bacb4352d3c8c3127c1de12e91fb93bd76d4afeb4d7462c1b30c9

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
SignaturefJ0grQZ9xVGJnm1DdslRgXaI7jWGRyCWqMnXrDtlwMtVWItYjoIEBxBKlV5o32BhzZoBw+lUC4F9/Hcv1RVkDg==
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

2026-09-17T12:14:37.283315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010477
observed 85e017d9805f689dd1f7355ffbed587f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.265592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010477/manifest.json
observed 3656ff56de6bacb4352d3c8c3127c1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.248218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010477/publication.md
observed f6d421e82676cd077b754fcea9609a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.226615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010477/publication.txt
observed eba96a7fc25d60e4ad5ca05da42cb1a1...
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.