Pith Number

pith:54EMTEIX

pith:2025:54EMTEIXFJJFAIAE357KQRSJGZ

not attested not anchored not stored refs pending

Attentional Graph Meta-Learning for Indoor Localization Using Extremely Sparse Fingerprints

Ao Wang, Feng Yin, Jun Gao, Ruizhi Chen, Wenzhong Yan, Yang Tian

arxiv:2504.04829 v1 · 2025-04-07 · cs.LG · eess.SP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54EMTEIXFJJFAIAE357KQRSJGZ}

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	2026-07-05T10:45:30.456394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef08c991172a52502004df7ea846493673f80fc07e09efae8fb53d9d751e333c

Aliases

arxiv: 2504.04829 · arxiv_version: 2504.04829v1 · doi: 10.48550/arxiv.2504.04829 · pith_short_12: 54EMTEIXFJJF · pith_short_16: 54EMTEIXFJJFAIAE · pith_short_8: 54EMTEIX

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/54EMTEIXFJJFAIAE357KQRSJGZ \
  | 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: ef08c991172a52502004df7ea846493673f80fc07e09efae8fb53d9d751e333c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46e5343dc20a34caa92213cdc964fa4821f8c38197447370ca001b1f2cda42c4",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-07T08:37:18Z",
    "title_canon_sha256": "cc21f1c7e5a00d2ad2941f94a4adadd793f47dc231b41949e60bdb3b5ec69888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04829",
    "kind": "arxiv",
    "version": 1
  }
}