Pith Number

pith:3CVMUJJA

pith:2025:3CVMUJJAWYEDLUNHK3NTREQIYY

not attested not anchored not stored refs pending

Femur: A Flexible Framework for Fast and Secure Querying from Public Key-Value Store

Feifei Li, Huanchen Zhang, Jiaoyi Zhang, Liqiang Peng, Mingyu Gao, Mo Sha, Sheng Wang, Weiran Liu, Xiang Li

arxiv:2503.05376 v1 · 2025-03-07 · cs.CR · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CVMUJJAWYEDLUNHK3NTREQIYY}

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	2026-07-05T10:26:27.478988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8aaca2520b60835d1a756db389208c626a98150a62c58025907eded502b452d

Aliases

arxiv: 2503.05376 · arxiv_version: 2503.05376v1 · doi: 10.48550/arxiv.2503.05376 · pith_short_12: 3CVMUJJAWYED · pith_short_16: 3CVMUJJAWYEDLUNH · pith_short_8: 3CVMUJJA

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/3CVMUJJAWYEDLUNHK3NTREQIYY \
  | 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: d8aaca2520b60835d1a756db389208c626a98150a62c58025907eded502b452d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fc13c4a73e8853d01bd5913358d417aec71de27bbd433b51685e599cdc710c0",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-03-07T12:39:07Z",
    "title_canon_sha256": "ed3d6b1439c85c23b7454690e4cb66e1a58d70fce068a2b15de366c71d5ef15f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.05376",
    "kind": "arxiv",
    "version": 1
  }
}