Pith Number

pith:6NZWJVQN

pith:2018:6NZWJVQND7C3R2YVB76B6I3YLQ

not attested not anchored not stored refs pending

Flow polynomials of a signed graph

Jianguo Qian

arxiv:1805.07878 v2 · 2018-05-21 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NZWJVQND7C3R2YVB76B6I3YLQ}

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	2026-05-18T00:12:31.629279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f37364d60d1fc5b8eb150ffc1f23785c22763cb509efbec54b65d2f3c2027e39

Aliases

arxiv: 1805.07878 · arxiv_version: 1805.07878v2 · doi: 10.48550/arxiv.1805.07878 · pith_short_12: 6NZWJVQND7C3 · pith_short_16: 6NZWJVQND7C3R2YV · pith_short_8: 6NZWJVQN

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/6NZWJVQND7C3R2YVB76B6I3YLQ \
  | 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: f37364d60d1fc5b8eb150ffc1f23785c22763cb509efbec54b65d2f3c2027e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbe98c088a32ab5b511d0ccc8e18d5cb4df3dcf89f6ed13369c9c83ba74f930d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-21T02:58:29Z",
    "title_canon_sha256": "dbbe0e43a8139b3eec13a4f7964205cc6d4b9519a94a5f2dc662c4c68943c7f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07878",
    "kind": "arxiv",
    "version": 2
  }
}