Pith Number

pith:N2MES5LG

pith:2025:N2MES5LGT3U6NJ4BIDQSPISSO6

not attested not anchored not stored refs pending

Near-Field Motion Parameter Estimation: A Variational Bayesian Approach

Chunwei Meng, Yuanwei Liu, Zhaolin Wang, Zhiqing Wei, Zhiyong Feng

arxiv:2502.14193 v2 · 2025-02-20 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2MES5LGT3U6NJ4BIDQSPISSO6}

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	2026-07-05T11:38:27.124832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e984975669ee9e6a78140e127a252779e1ed2007150eb924c4d146585880a4f

Aliases

arxiv: 2502.14193 · arxiv_version: 2502.14193v2 · doi: 10.48550/arxiv.2502.14193 · pith_short_12: N2MES5LGT3U6 · pith_short_16: N2MES5LGT3U6NJ4B · pith_short_8: N2MES5LG

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/N2MES5LGT3U6NJ4BIDQSPISSO6 \
  | 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: 6e984975669ee9e6a78140e127a252779e1ed2007150eb924c4d146585880a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71e9a40ba2a9eacf3fb1d2e5c6289b3b6994e1086304858ec6d1dcc4b63d4870",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-02-20T01:50:45Z",
    "title_canon_sha256": "9fa8253d6de9aad5479fcab717f1fc27cdca51bd0e5ca6001a3d0ec04900ec0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.14193",
    "kind": "arxiv",
    "version": 2
  }
}