pith. sign in
Pith Number

pith:F6TG7GN2

pith:2019:F6TG7GN2NGMDR66BKYJGB5EP6F
not attested not anchored not stored refs pending

Elegant vertex labelings with prime numbers

Thierry Gensane

arxiv:1907.01249 v1 · 2019-07-02 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{F6TG7GN2NGMDR66BKYJGB5EP6F}

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 2026-05-17T23:41:40.851749Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2fa66f99ba699838fbc1561260f48ff16af13e9d9e3e4747b078f31a2e0bd58d

Aliases

arxiv: 1907.01249 · arxiv_version: 1907.01249v1 · doi: 10.48550/arxiv.1907.01249 · pith_short_12: F6TG7GN2NGMD · pith_short_16: F6TG7GN2NGMDR66B · pith_short_8: F6TG7GN2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F6TG7GN2NGMDR66BKYJGB5EP6F \
  | 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: 2fa66f99ba699838fbc1561260f48ff16af13e9d9e3e4747b078f31a2e0bd58d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "263fbd55f08d5c73025c3a2da4b8d8bfc1323816c5e96d9ac0b43f3e57ca68ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-07-02T09:20:36Z",
    "title_canon_sha256": "edb94f673d5f35e3b9e36062f01c6726e55bc210ce39ac66a52ea444c18b9199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01249",
    "kind": "arxiv",
    "version": 1
  }
}