OpenTechnical

OT-2026-000045887

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000045887) never changes.

Identity and time

Publication numberOT-2026-000045887 · never reused
Internal UUID01a0ae7d-8f06-7487-9af1-82f74dcaf9e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045887
StatusPUBLIC

Content hashes

Canonical text6d244b329210225095eae8a473fa52d078cc0be900480f247201812992afb14b
Markdown8590f415a44129498ed539c8d3803f306dabd9ce7ace505033ae841df5bc9a1c
PDF
Publication pagec777932281b2c3dbecef7b8911d56d2416df7c9e58c9664e58258917882adb6b
Manifestf6a49ed14785f2753049d0c9d2158e094ff486ea87d1a2bd624d543b7295e364

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
SignatureSivBRcu7HU2ZgqQY5jlGeA2S90bp3tmNuSnhbFvWr1238u0kwd1HkW9DdyLZBN3Yy43G1OJlRNxFhQlucXszCg==
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

2026-09-17T11:09:46.831369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045887
observed c777932281b2c3dbecef7b8911d56d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.810640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045887/manifest.json
observed f6a49ed14785f2753049d0c9d2158e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.790593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045887/publication.md
observed 8590f415a44129498ed539c8d3803f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.769320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045887/publication.txt
observed 6d244b329210225095eae8a473fa52d0...
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.