Pith Number

pith:GPP72FML

pith:2014:GPP72FMLG35JF4NXH2SRXPLW55

not attested not anchored not stored refs pending

On Zero-free Intervals of Flow Polynomials

Fengming Dong

arxiv:1403.1916 v1 · 2014-03-08 · 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{GPP72FMLG35JF4NXH2SRXPLW55}

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	2026-05-18T02:56:51.289303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33dffd158b36fa92f1b73ea51bbd76ef40511aa2ed0bc8d25b3cd1d6fd83e53a

Aliases

arxiv: 1403.1916 · arxiv_version: 1403.1916v1 · doi: 10.48550/arxiv.1403.1916 · pith_short_12: GPP72FMLG35J · pith_short_16: GPP72FMLG35JF4NX · pith_short_8: GPP72FML

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/GPP72FMLG35JF4NXH2SRXPLW55 \
  | 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: 33dffd158b36fa92f1b73ea51bbd76ef40511aa2ed0bc8d25b3cd1d6fd83e53a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d807d72da54a98ec57533cea069425081e6ff45466bb7f5735a6b778325f7cf9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-08T01:46:59Z",
    "title_canon_sha256": "9aec45dc16386c66d130d31eb7d1c95b0681e6910bab2222c1976313f025fbfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1916",
    "kind": "arxiv",
    "version": 1
  }
}