OpenTechnical

OT-2026-000018902

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000018902) never changes.

Identity and time

Publication numberOT-2026-000018902 · never reused
Internal UUID01a0ae6e-d522-78ff-860d-4d5752b18748 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018902
StatusPUBLIC

Content hashes

Canonical text0b1fa7b882e05a4dd4a98e0b235512ed158ffabc16a942e37fa05aab7b2ec340
Markdownd80103909daf949c445c4046bd332b0a14216c086c8a633a6d3c74c50a98151c
PDF
Publication page47fec6df216ceb41aeb38ead81cee8e1f289c5efb11533de83be07b9296a00e8
Manifest045d250ad29ae4f26c5053ed04cbc4411dedb62c6ddeb222cce217cac5a29a74

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
Signature54nkgkvF7zfyCnRKQnDlTMStBZAnkQdcaLLf/KzHUiwnLzAoPLbwBYIT8V/BpIC7ci+ei4hGn2cpiXx0JFxMBg==
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

2026-09-17T11:59:33.589495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018902
observed 47fec6df216ceb41aeb38ead81cee8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.570662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018902/manifest.json
observed 045d250ad29ae4f26c5053ed04cbc441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.553364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018902/publication.md
observed d80103909daf949c445c4046bd332b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.535731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018902/publication.txt
observed 0b1fa7b882e05a4dd4a98e0b235512ed...
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.