OpenTechnical

OT-2026-000044683

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000044683) never changes.

Identity and time

Publication numberOT-2026-000044683 · never reused
Internal UUID01a0ae7c-39da-752e-8098-1be96a12c14a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044683
StatusPUBLIC

Content hashes

Canonical text590f74906fa7ba3b3b43ff063bc1b078504d25b3053b9e2ceb606533e4dedd8b
Markdown75137ad32becaafb615308140f2fab25a6fc0982768ef03bc964761b36589214
PDF
Publication page67509808f7cae31ae940eb042387b89e55ba9ff7da2474614e2aeb2028296ce5
Manifest33ef4400b2899b15a1fdb8753c79c413c29918908ea8d7daba6ed429a9c32a01

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
SignaturegU87QKU4M+n7K4R+dSMcFTW09BMgNgXcYEZ5s5fxWVB60lJlGOGkORsHtioN/s/A74Q6QM8tmE61Sk8tBRjyBw==
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

2026-09-17T11:11:56.254558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044683
observed 67509808f7cae31ae940eb042387b89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.237271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044683/manifest.json
observed 33ef4400b2899b15a1fdb8753c79c413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.218959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044683/publication.md
observed 75137ad32becaafb615308140f2fab25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.199322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044683/publication.txt
observed 590f74906fa7ba3b3b43ff063bc1b078...
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.