Pith Number

pith:IJRGFT6X

pith:2013:IJRGFT6XIZIOA3MJOJNTP4TWYQ

not attested not anchored not stored refs pending

The S-metric, the Beichl-Cloteaux approximation, and preferential attachment

Jason Cory Brunson

arxiv:1308.4067 v1 · 2013-08-19 · math.CO · cs.SI · 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{IJRGFT6XIZIOA3MJOJNTP4TWYQ}

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	2026-05-18T03:15:34.946302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

426262cfd74650e06d89725b37f276c42eea4ea0bd3222636956d8b65bc5d545

Aliases

arxiv: 1308.4067 · arxiv_version: 1308.4067v1 · doi: 10.48550/arxiv.1308.4067 · pith_short_12: IJRGFT6XIZIO · pith_short_16: IJRGFT6XIZIOA3MJ · pith_short_8: IJRGFT6X

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/IJRGFT6XIZIOA3MJOJNTP4TWYQ \
  | 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: 426262cfd74650e06d89725b37f276c42eea4ea0bd3222636956d8b65bc5d545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa7348d63fcb3ec3e9fec0264f08974c91de428ce94c8e8fcb36c2d8cd010ea7",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-19T16:13:54Z",
    "title_canon_sha256": "8221f55143764913dc13aed396c149396f8defe8871bf76dbb3894feefadf65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4067",
    "kind": "arxiv",
    "version": 1
  }
}