Pith Number

pith:DYQSXEGK

pith:2021:DYQSXEGKN7ITHGHUMLRTWG76V2

not attested not anchored not stored refs pending

Extremal $\{p, q\}$-Animals

\'Erika Rold\'an, Greg Malen, Rosemberg Toal\'a-Enr\'iquez

arxiv:2109.05331 v1 · 2021-09-11 · 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{DYQSXEGKN7ITHGHUMLRTWG76V2}

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	2026-07-05T03:13:37.751804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e212b90ca6fd13398f462e33b1bfeae9b103f2dc2683ae555a7b8442f4d3fc6

Aliases

arxiv: 2109.05331 · arxiv_version: 2109.05331v1 · doi: 10.48550/arxiv.2109.05331 · pith_short_12: DYQSXEGKN7IT · pith_short_16: DYQSXEGKN7ITHGHU · pith_short_8: DYQSXEGK

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/DYQSXEGKN7ITHGHUMLRTWG76V2 \
  | 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: 1e212b90ca6fd13398f462e33b1bfeae9b103f2dc2683ae555a7b8442f4d3fc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "578191bcb9920004e0fad0d5c3ab3223a99c1be753652357b4c58f10ba1107cb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-09-11T18:00:26Z",
    "title_canon_sha256": "825919732876a9b60ed6f8c61d45cc8f7ed1b344b4a0bef668d034a13cb88e10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05331",
    "kind": "arxiv",
    "version": 1
  }
}