OpenTechnical

OT-2026-000033453

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033453) never changes.

Identity and time

Publication numberOT-2026-000033453 · never reused
Internal UUID01a0ae75-a38d-7d4d-8808-f381c0e2654b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033453
StatusPUBLIC

Content hashes

Canonical text2c1520996a01d23472092dd226623ded2cb54c74e7a5bb8f343aafeae6e65f78
Markdownd1b35dbeb58b1c4cb32e917cb0eaa433765fb5569e472964dd0077e71af34dec
PDF
Publication page23ecb7116b088eb87af7650ae9bda6c840867029ed1f2920eb39f1af77608e1e
Manifest234b70f6ef7da3d22aa891fa8f5e83bb1a5b16765bced08ecae95bc69c8444d5

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
SignatureV6iCNVXpX4Nsc8f5GcHJA4l8C6SleCwqIuXhs1gDFW6YCvJzHGvB5ynSwHX+3SgcBL/AwWqXp3eQDuBRjxtcCw==
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

2026-09-17T11:31:17.320194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033453
observed 23ecb7116b088eb87af7650ae9bda6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.300641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033453/manifest.json
observed 234b70f6ef7da3d22aa891fa8f5e83bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.282816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033453/publication.md
observed d1b35dbeb58b1c4cb32e917cb0eaa433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.264043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033453/publication.txt
observed 2c1520996a01d23472092dd226623ded...
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.