Pith Number

pith:RBOU4POH

pith:2015:RBOU4POHMVX7R73NFUM2RWAGXM

not attested not anchored not stored refs pending

Ricci Curvature of the Internet Topology

Chien-Chun Ni, Emil Saucan, Jie Gao, Xianfeng David Gu, Yu-Yao Lin

arxiv:1501.04138 v1 · 2015-01-17 · cs.SI · cs.CG · cs.NI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBOU4POHMVX7R73NFUM2RWAGXM}

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	2026-05-18T02:29:09.979428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

885d4e3dc7656ff8ff6d2d19a8d806bb31b177ce1fa8959f0df880adeca705ac

Aliases

arxiv: 1501.04138 · arxiv_version: 1501.04138v1 · doi: 10.48550/arxiv.1501.04138 · pith_short_12: RBOU4POHMVX7 · pith_short_16: RBOU4POHMVX7R73N · pith_short_8: RBOU4POH

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/RBOU4POHMVX7R73NFUM2RWAGXM \
  | 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: 885d4e3dc7656ff8ff6d2d19a8d806bb31b177ce1fa8959f0df880adeca705ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba99d9330394ff9311d3370ffc0b6c6dc0f04f76a76a17521ccf0ddec153cb7a",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.NI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-01-17T00:44:00Z",
    "title_canon_sha256": "4c01776f796f0bf63f4f15cd9e29ae2745b729782d7e39d0d0309115bb0982fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04138",
    "kind": "arxiv",
    "version": 1
  }
}