Pith Number

pith:ITFIEL55

pith:2015:ITFIEL553DWXIGXJIBSOUTXPB7

not attested not anchored not stored refs pending

A note on the Erd\"os-Faber-Lov\'asz Conjecture: quasigroups and complete digraphs

Adrian Vazquez-Avila, Christian Rubio-Montiel, Gabriela Araujo-Pardo

arxiv:1508.05532 v2 · 2015-08-22 · 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{ITFIEL553DWXIGXJIBSOUTXPB7}

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	2026-05-17T23:49:12.335352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44ca822fbdd8ed741ae94064ea4eef0ff6d66ed04b9048cd761d47d1421ac5bc

Aliases

arxiv: 1508.05532 · arxiv_version: 1508.05532v2 · doi: 10.48550/arxiv.1508.05532 · pith_short_12: ITFIEL553DWX · pith_short_16: ITFIEL553DWXIGXJ · pith_short_8: ITFIEL55

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/ITFIEL553DWXIGXJIBSOUTXPB7 \
  | 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: 44ca822fbdd8ed741ae94064ea4eef0ff6d66ed04b9048cd761d47d1421ac5bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "612a914b6ef2c8bf449c33c1704e189de0ed83224f4e142388820ed486c3f790",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-08-22T17:29:05Z",
    "title_canon_sha256": "7260a7ed57e8e3c6c3129d92cf2b10da00fc9fc3d020c3fadec783368789fde0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05532",
    "kind": "arxiv",
    "version": 2
  }
}