Pith Number

pith:FGXEP6XU

pith:2014:FGXEP6XUB5XFI7AEWHVM2J254J

not attested not anchored not stored refs pending

Bipartite Communities

Kelly Yancey, Matthew Yancey

arxiv:1412.5666 v5 · 2014-12-17 · math.CO · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGXEP6XUB5XFI7AEWHVM2J254J}

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	2026-05-18T01:18:25.636737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29ae47faf40f6e547c04b1eacd275de25057a8c8866bc15f38c94dc1759051c5

Aliases

arxiv: 1412.5666 · arxiv_version: 1412.5666v5 · doi: 10.48550/arxiv.1412.5666 · pith_short_12: FGXEP6XUB5XF · pith_short_16: FGXEP6XUB5XFI7AE · pith_short_8: FGXEP6XU

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/FGXEP6XUB5XFI7AEWHVM2J254J \
  | 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: 29ae47faf40f6e547c04b1eacd275de25057a8c8866bc15f38c94dc1759051c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa4f49c487cce227a9463c9101bbffa5adb51c225dc50d93099687f1bb47381d",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-17T22:54:49Z",
    "title_canon_sha256": "685fc244ba110bfe4f6fa60728d30fc623118de224815dd3f6e2deb95a3744b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5666",
    "kind": "arxiv",
    "version": 5
  }
}