Pith Number

pith:BDR5GMDV

pith:2012:BDR5GMDVRCEGC4OI6LZ235IXQY

not attested not anchored not stored refs pending

Directed Information Graphs

Christopher J. Quinn, Negar Kiyavash, Todd P. Coleman

arxiv:1204.2003 v2 · 2012-04-09 · cs.IT · cs.AI · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDR5GMDVRCEGC4OI6LZ235IXQY}

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	2026-05-18T02:24:58.741121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e3d3307588886171c8f2f3adf517863013fb52ba4a2705678d608b37264153

Aliases

arxiv: 1204.2003 · arxiv_version: 1204.2003v2 · doi: 10.48550/arxiv.1204.2003 · pith_short_12: BDR5GMDVRCEG · pith_short_16: BDR5GMDVRCEGC4OI · pith_short_8: BDR5GMDV

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/BDR5GMDVRCEGC4OI6LZ235IXQY \
  | 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: 08e3d3307588886171c8f2f3adf517863013fb52ba4a2705678d608b37264153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b22f221b9a45776084506f7d348a0baad994331d1c7a24c323f37d8defbc7b",
    "cross_cats_sorted": [
      "cs.AI",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-09T22:54:59Z",
    "title_canon_sha256": "b1639a8264439128b8a9c400a47b7e41da3277699d1209084f6a8e1376e8c550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2003",
    "kind": "arxiv",
    "version": 2
  }
}