OpenTechnical

OT-2026-000019059

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000019059) never changes.

Identity and time

Publication numberOT-2026-000019059 · never reused
Internal UUID01a0ae6e-d523-72be-84cf-97a3f946cac3 · 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-2026-000019059
StatusPUBLIC

Content hashes

Canonical text352f83747e0ff00a3b02a7cf8408271c443f8260655130059f0b8f495b3c23ae
Markdowne26e381d036bb823aa40a7f48d5e43125a3ea2e430ccf54d10177a69f54b06a3
PDF
Publication page8bc5d8f179bc47b639c5f77325271b43a3cd1f359d3d9131b7c628ad956ca2b2
Manifest4bc297a169eaa1535ec0c0b41932d741d68b9e9e837e5b4d286f6eb2365e1748

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
SignatureijTnZam3ruohSITvv3EmWuIVBTP2pPHcZqhmMsHnIn38VvEvPYEQaQaBOuFTYpRtWmbEBsRLO9a5FfsWjnkNBA==
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

2026-09-17T11:59:45.413622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019059
observed 8bc5d8f179bc47b639c5f77325271b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.396031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019059/manifest.json
observed 4bc297a169eaa1535ec0c0b41932d741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.376600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019059/publication.md
observed e26e381d036bb823aa40a7f48d5e4312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.356772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019059/publication.txt
observed 352f83747e0ff00a3b02a7cf8408271c...
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.