OpenTechnical

OT-2026-000033417

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000033417) never changes.

Identity and time

Publication numberOT-2026-000033417 · never reused
Internal UUID01a0ae75-8980-7b89-9149-b3304e534751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033417
StatusPUBLIC

Content hashes

Canonical text6913bf5a4ded25ec9d2f086513bf6852a111eb1a8fa39c24841718b5f9996def
Markdowndf4cef616fcf7930edf6e1ef008bd5aba80ee288817e92aaa38866f5e3197bb6
PDF
Publication pagec3d284263c5187dc4da5c9f5d25672294fa66411224037ebd1c6046234c02be6
Manifest714903dd39c392f3d2d4c051af6b90b0d3f9034cfc7ddc8bb4806ccedbc0ce8b

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
SignatureVJCb45NwbrqkYl9M4QwGfBZYfq9Wo6Z4/aJDjxHQ2wBYUNFiQozs314Zs4zSMmIT8sGTFrUA3W0fkYXQyii+BA==
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

2026-09-17T11:32:12.125456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033417
observed c3d284263c5187dc4da5c9f5d2567229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.108413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033417/manifest.json
observed 714903dd39c392f3d2d4c051af6b90b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.091544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033417/publication.md
observed df4cef616fcf7930edf6e1ef008bd5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.074870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033417/publication.txt
observed 6913bf5a4ded25ec9d2f086513bf6852...
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.