Pith Number

pith:Q6YNWE5S

pith:2014:Q6YNWE5S772O5VRBPXIHN7DC5N

not attested not anchored not stored refs pending

A note on nowhere-zero 3-flow and Z_3-connectivity

Bo Ning, Fuyuan Chen

arxiv:1406.1554 v2 · 2014-06-06 · 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{Q6YNWE5S772O5VRBPXIHN7DC5N}

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	2026-05-18T01:37:05.779945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b0db13b2fff4eed6217dd076fc62eb636fd5576c46888e04a62e63f0ddfff5

Aliases

arxiv: 1406.1554 · arxiv_version: 1406.1554v2 · doi: 10.48550/arxiv.1406.1554 · pith_short_12: Q6YNWE5S772O · pith_short_16: Q6YNWE5S772O5VRB · pith_short_8: Q6YNWE5S

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/Q6YNWE5S772O5VRBPXIHN7DC5N \
  | 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: 87b0db13b2fff4eed6217dd076fc62eb636fd5576c46888e04a62e63f0ddfff5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "189df4ab0035d17a625dfb7d4807982f24b87b0987dfceff6aff6d8f2779d173",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-06T01:38:06Z",
    "title_canon_sha256": "994f5b8f37f1224bf3a890a48aec5457b7a59b4fd03304c20b33812d6967bfa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1554",
    "kind": "arxiv",
    "version": 2
  }
}