Pith Number

pith:IV2C2UYY

pith:2016:IV2C2UYYVVGO3JB4724G6H7DOO

not attested not anchored not stored refs pending

Jack characters and enumeration of maps

Agnieszka Czy\.zewska-Jankowska, Piotr \'Sniady

arxiv:1611.02446 v1 · 2016-11-08 · 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{IV2C2UYYVVGO3JB4724G6H7DOO}

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	2026-05-18T00:35:46.671936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45742d5318ad4ceda43cfeb86f1fe373830d24e263e4e6912118a3ebf5345df9

Aliases

arxiv: 1611.02446 · arxiv_version: 1611.02446v1 · doi: 10.48550/arxiv.1611.02446 · pith_short_12: IV2C2UYYVVGO · pith_short_16: IV2C2UYYVVGO3JB4 · pith_short_8: IV2C2UYY

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/IV2C2UYYVVGO3JB4724G6H7DOO \
  | 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: 45742d5318ad4ceda43cfeb86f1fe373830d24e263e4e6912118a3ebf5345df9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b30711484c0efbd823d0781fbd3ade17e587e0dce663ded9a8f9a57eac5b076a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-11-08T09:33:44Z",
    "title_canon_sha256": "262bdcd7af9cd24219bdb27860a33381f9b730f77d4e230e6715abfb5f20f7da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02446",
    "kind": "arxiv",
    "version": 1
  }
}