OpenTechnical

OT-2026-000019795

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum 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-2026-000019795) never changes.

Identity and time

Publication numberOT-2026-000019795 · never reused
Internal UUID01a0ae6f-1fb5-7577-be85-017470e56975 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019795
StatusPUBLIC

Content hashes

Canonical textc4d4bcebe3aa5fa10bdfc33af4f6b519528b6786533f3304124a4bacadc43339
Markdown8bfe931a17d515ab0d84a7457f152b1bd5790b0e603280eccb0b66003b27aa01
PDF
Publication pageee74431a8e09a91f48c1e8918ac8aeee62078bd32cd5b299ceeb6a58c16f7410
Manifest0a03e5ff547096d6e0e301a114ef776345f43ec231a7bd8e7eb97fd477242da3

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
SignaturedmPtG57nXgioaW5xRfiZssnOSkW1zpdGLM3G1b1BSNfGzDy421w+T9+X38rARAMYX++yrlJQqoFInFhGhTU1Dg==
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

2026-09-17T11:57:58.752216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019795
observed ee74431a8e09a91f48c1e8918ac8aeee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.735775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019795/manifest.json
observed 0a03e5ff547096d6e0e301a114ef7763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.716529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019795/publication.md
observed 8bfe931a17d515ab0d84a7457f152b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.699353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019795/publication.txt
observed c4d4bcebe3aa5fa10bdfc33af4f6b519...
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.