pith. sign in
Pith Number

pith:3TMYBRVT

pith:2012:3TMYBRVTKLFUUVEZWDYKOG7YFK
not attested not anchored not stored refs pending

Wilf Equivalence for the Charge Statistic

Kendra Killpatrick

arxiv:1204.3121 v1 · 2012-04-13 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3TMYBRVTKLFUUVEZWDYKOG7YFK}

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 2026-05-18T03:57:52.531088Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dcd980c6b352cb4a5499b0f0a71bf82a9f796190a8264977b0ad0b0dc43933c9

Aliases

arxiv: 1204.3121 · arxiv_version: 1204.3121v1 · doi: 10.48550/arxiv.1204.3121 · pith_short_12: 3TMYBRVTKLFU · pith_short_16: 3TMYBRVTKLFUUVEZ · pith_short_8: 3TMYBRVT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3TMYBRVTKLFUUVEZWDYKOG7YFK \
  | 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: dcd980c6b352cb4a5499b0f0a71bf82a9f796190a8264977b0ad0b0dc43933c9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8285699540e9c036f1f6a51175e87330c00191ef2059d06a0d919b2e90af9bb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-04-13T23:29:16Z",
    "title_canon_sha256": "5990aec46c929e407465447649353462adf2e320fc41f72bc525ec3eaeb306f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3121",
    "kind": "arxiv",
    "version": 1
  }
}