Pith Number

pith:6X7HRSG7

pith:2009:6X7HRSG7NBUSFD3G64QDURK7OV

not attested not anchored not stored refs pending

Visualizing Graphs with Node and Edge Labels

Yifan Hu

arxiv:0911.0626 v2 · 2009-11-03 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6X7HRSG7NBUSFD3G64QDURK7OV}

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	2026-05-18T01:04:59.567260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5fe78c8df6869228f66f7203a455f75638e51886de37673d9f945fe560d22ea

Aliases

arxiv: 0911.0626 · arxiv_version: 0911.0626v2 · doi: 10.48550/arxiv.0911.0626 · pith_short_12: 6X7HRSG7NBUS · pith_short_16: 6X7HRSG7NBUSFD3G · pith_short_8: 6X7HRSG7

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/6X7HRSG7NBUSFD3G64QDURK7OV \
  | 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: f5fe78c8df6869228f66f7203a455f75638e51886de37673d9f945fe560d22ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1992ecc89f6c225cca01b5ae26acfe2a5ca83a0fd41312c085d16d8f29e6161f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2009-11-03T17:44:59Z",
    "title_canon_sha256": "980e673eebf6dc29d1b54b9e7039ae4c11f2d6945ff0ce4eed8facb57737d9b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0626",
    "kind": "arxiv",
    "version": 2
  }
}