OpenTechnical

OT-2026-000061729

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000061729) never changes.

Identity and time

Publication numberOT-2026-000061729 · never reused
Internal UUID01a0ae8b-b8aa-765b-a90d-10e5b2dc22bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061729
StatusPUBLIC

Content hashes

Canonical text2af0a64f7da536ef8e7e23a2c6f6a8be55d15869d819fab5d48d50437ea3f4db
Markdowndc20ae16004ae30c947446321c00d29af24ed374848906fe0b0ab9ac78562d01
PDF
Publication paged5deebef85f50ac99ef09c9b786deb333c17173683e93b6fc934c65cd0730b7a
Manifest4bbc2f46c05bd6504bad0c85f1db683265a969195bff57239cf7910f5d100686

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
SignatureJyqUBscMceLgme1HZmFc/tp7O895uOjLJ5ZJfeVZEjSQdB9eO/pGOK1o79N0Dsv/GuSqfiJr0tInReKV9H4pDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:18.672466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061729
observed d5deebef85f50ac99ef09c9b786deb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.652313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061729/manifest.json
observed 4bbc2f46c05bd6504bad0c85f1db6832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.629721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061729/publication.md
observed dc20ae16004ae30c947446321c00d29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.606327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061729/publication.txt
observed 2af0a64f7da536ef8e7e23a2c6f6a8be...
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.