Pith Number

pith:YD4UIPP7

pith:2011:YD4UIPP75JFY3CKNS2STHVWAMS

not attested not anchored not stored refs pending

Small world yields the most effective information spreading

Duan-Bing Chen, Linyuan L\"u, Tao Zhou

arxiv:1107.0429 v2 · 2011-07-03 · physics.soc-ph · cs.SI · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YD4UIPP75JFY3CKNS2STHVWAMS}

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	2026-05-18T02:01:25.543381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0f9443dffea4b8d894d96a533d6c0649487e802d2fccf8ac5d055bf4e495160

Aliases

arxiv: 1107.0429 · arxiv_version: 1107.0429v2 · doi: 10.48550/arxiv.1107.0429 · pith_short_12: YD4UIPP75JFY · pith_short_16: YD4UIPP75JFY3CKN · pith_short_8: YD4UIPP7

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/YD4UIPP75JFY3CKNS2STHVWAMS \
  | 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: c0f9443dffea4b8d894d96a533d6c0649487e802d2fccf8ac5d055bf4e495160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23170029dc5a06974deef943ffc8f4150af836bd675da532900513d3671a5206",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-07-03T05:39:54Z",
    "title_canon_sha256": "7f923641e60a54c74c66742c7b1055eaf61ee5d55193c1341cebe20998a8a675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0429",
    "kind": "arxiv",
    "version": 2
  }
}