Pith Number

pith:L7TE3XRY

pith:2012:L7TE3XRY65ZLJFARKQBV3MBQ4Z

not attested not anchored not stored refs pending

Non-Contiguous Pattern Avoidance in Binary Trees

Casey Wynn, Lara Pudwell, Michael Dairyko, Samantha Tyner

arxiv:1203.0795 v2 · 2012-03-05 · 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{L7TE3XRY65ZLJFARKQBV3MBQ4Z}

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	2026-05-18T03:53:06.725058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fe64dde38f772b4941154035db030e66fda2686297259f9b1c46dee30d00f22

Aliases

arxiv: 1203.0795 · arxiv_version: 1203.0795v2 · doi: 10.48550/arxiv.1203.0795 · pith_short_12: L7TE3XRY65ZL · pith_short_16: L7TE3XRY65ZLJFAR · pith_short_8: L7TE3XRY

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/L7TE3XRY65ZLJFARKQBV3MBQ4Z \
  | 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: 5fe64dde38f772b4941154035db030e66fda2686297259f9b1c46dee30d00f22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edca38c5715bc52988cdb7137b85a99ef374d5295738834460b56b1946069ce3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-05T01:18:25Z",
    "title_canon_sha256": "60fb0a7d57b6843902d2841d088704fc802b69463bc442c6e678bad1f973ecc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0795",
    "kind": "arxiv",
    "version": 2
  }
}