OpenTechnical

OT-2026-000017804

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000017804) never changes.

Identity and time

Publication numberOT-2026-000017804 · never reused
Internal UUID01a0ae6e-96fb-7fec-8ecc-2493bc47976e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017804
StatusPUBLIC

Content hashes

Canonical text3779a087bc851f262f413755aa47cc048bd17003492fb0337ae69545c38f090d
Markdown451142e2a40811b8614daacf113281d0495ff3aa51e8574a0159b3a5146f909c
PDF
Publication paged2f2d4b5f077ffd104fca7896063feb2a2466dc8e6a1ace766869e76ce6e91dc
Manifestef1a41fce1955c787172a528bc479486167fa0a947e2df5beb7907d2d2a5b0aa

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
Signaturew9rMQ+v7dN58w/sp5P6Zmw+3Hq5/2fze0rRKnHqaN16bgnWrm2qM5ICjaVEGgB2iQqjsSWiuSsRLAGGE8h4wAQ==
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

2026-09-17T12:01:46.345697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017804
observed d2f2d4b5f077ffd104fca7896063feb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.328746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017804/manifest.json
observed ef1a41fce1955c787172a528bc479486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.311039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017804/publication.md
observed 451142e2a40811b8614daacf113281d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.294489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017804/publication.txt
observed 3779a087bc851f262f413755aa47cc04...
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.