Pith Number

pith:MNPFR7TI

pith:2021:MNPFR7TI37WDXIU3XUOL4SITBN

not attested not anchored not stored refs pending

A MIMO Radar-Based Metric Learning Approach for Activity Recognition

Fady Aziz, Marco F. Huber, Omar Metwally, Pascal Weller, Urs Schneider

arxiv:2111.01939 v1 · 2021-11-02 · eess.SP · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MNPFR7TI37WDXIU3XUOL4SITBN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:28:44.497812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

635e58fe68dfec3ba29bbd1cbe49130b7aa0f005d6838c491b6fe129090895c2

Aliases

arxiv: 2111.01939 · arxiv_version: 2111.01939v1 · doi: 10.48550/arxiv.2111.01939 · pith_short_12: MNPFR7TI37WD · pith_short_16: MNPFR7TI37WDXIU3 · pith_short_8: MNPFR7TI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MNPFR7TI37WDXIU3XUOL4SITBN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 635e58fe68dfec3ba29bbd1cbe49130b7aa0f005d6838c491b6fe129090895c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44c30722efa30be340cd239a256f76a166a7bacdae2f7b4bd90a7a68ea6113df",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-11-02T23:11:53Z",
    "title_canon_sha256": "174113640b3c689ea94e12d0d52acdbb8284cbdb01ce2b4059fff70377049726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01939",
    "kind": "arxiv",
    "version": 1
  }
}