OpenTechnical

OT-2026-000038419

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000038419) never changes.

Identity and time

Publication numberOT-2026-000038419 · never reused
Internal UUID01a0ae78-2d52-7f73-94c6-66513828bb7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038419
StatusPUBLIC

Content hashes

Canonical text85775fd73124f915e67bef24b222833bf13775e74152ab031c261f5f07c834f6
Markdown8d88722c0bb2df1f0ea96546dc39a28ef332871b00fa76e43506ed324783f2c7
PDF
Publication page38c251b7bf33a90455c37775135c8882f75637b808b7e110e3e7c0289dc28c86
Manifest2e727a2b9c27485749e46f0c473e72b6ac36d54cdb54e218c817559889e9ec85

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
SignaturehS4OH9iF0tTG8it3LsMeK5ixyfZjXC5jysaFUer4rrBRfPJQQA3Awj1SGkWyOYkKj/3V8Ek0awsRdmFq22uvAA==
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

2026-09-17T11:22:37.846806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038419
observed 38c251b7bf33a90455c37775135c8882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.830136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038419/manifest.json
observed 2e727a2b9c27485749e46f0c473e72b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.812947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038419/publication.md
observed 8d88722c0bb2df1f0ea96546dc39a28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.796057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038419/publication.txt
observed 85775fd73124f915e67bef24b222833b...
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.