Pith Number

pith:IA2ZKVRA

pith:2015:IA2ZKVRAONHCITTRQBWYUHULKS

not attested not anchored not stored refs pending

Signed lozenge tilings

David Cook II, Uwe Nagel

arxiv:1507.02507 v1 · 2015-07-06 · 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{IA2ZKVRAONHCITTRQBWYUHULKS}

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	2026-05-18T01:37:06.521844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4035955620734e244e71806d8a1e8b54a55f2adb0f7be5f7f4d63d3d1f60a626

Aliases

arxiv: 1507.02507 · arxiv_version: 1507.02507v1 · doi: 10.48550/arxiv.1507.02507 · pith_short_12: IA2ZKVRAONHC · pith_short_16: IA2ZKVRAONHCITTR · pith_short_8: IA2ZKVRA

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/IA2ZKVRAONHCITTRQBWYUHULKS \
  | 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: 4035955620734e244e71806d8a1e8b54a55f2adb0f7be5f7f4d63d3d1f60a626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b11460d80db21c5ee007beebe9f95062d31d1e82e701cf4d87972a6858df4cac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-07-06T20:17:11Z",
    "title_canon_sha256": "204c55614a826283f93262f09a76be89a35aa4264097ac6e84aa9ab6c44bc371"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02507",
    "kind": "arxiv",
    "version": 1
  }
}