OpenTechnical

OT-2026-000044547

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000044547) never changes.

Identity and time

Publication numberOT-2026-000044547 · never reused
Internal UUID01a0ae7c-39d9-76fa-9baf-c918666f126f · 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-2026-000044547
StatusPUBLIC

Content hashes

Canonical text55c5243624d92031be43c8a50529db3cb2dd96666a4884220552a8a382d2ec41
Markdown8fdc3322d1ccadc64c28efffb2cf3df6a34d7e4fe0eb4620548c2a7f12bdd19a
PDF
Publication pagebaadcced03c624f922867f32e8aaa1f1c073357489df3cae7b95c9ca77866752
Manifest4cdbb505b19de45851a7bfbf99a6466c284b474286f3e9dc1f9e1e55262a4abb

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
SignatureT/4JjuYVbi+ZAPX1bKwNBA6KnZ43jiT9EIxidgHGesx2uAUPOjXCwnj4ZxQRkf/l7a5E3ouVClpA8svNcwpPDA==
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

2026-09-17T11:11:44.065011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044547
observed baadcced03c624f922867f32e8aaa1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.047172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044547/manifest.json
observed 4cdbb505b19de45851a7bfbf99a6466c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.027930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044547/publication.md
observed 8fdc3322d1ccadc64c28efffb2cf3df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.008606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044547/publication.txt
observed 55c5243624d92031be43c8a50529db3c...
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.