Pith Number

pith:VW4CFAXY

pith:2009:VW4CFAXYU2VYAQCHAJJGZNXBMI

not attested not anchored not stored refs pending

Random $k$-noncrossing RNA Structures

Christian M. Reidys, Hillary S.W. Han, William Y.C. Chen

arxiv:0906.5553 v1 · 2009-06-30 · math.CO · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VW4CFAXYU2VYAQCHAJJGZNXBMI}

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	2026-05-18T02:13:11.697978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adb82282f8a6ab80404702526cb6e1620e5d1374dc35ef0f17bfe624a13f423e

Aliases

arxiv: 0906.5553 · arxiv_version: 0906.5553v1 · doi: 10.48550/arxiv.0906.5553 · pith_short_12: VW4CFAXYU2VY · pith_short_16: VW4CFAXYU2VYAQCH · pith_short_8: VW4CFAXY

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/VW4CFAXYU2VYAQCHAJJGZNXBMI \
  | 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: adb82282f8a6ab80404702526cb6e1620e5d1374dc35ef0f17bfe624a13f423e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa2d39403b91f1b14647884c8881b044e482570479a8ef04e2b0a6e9b1101f0",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-06-30T14:54:40Z",
    "title_canon_sha256": "e9b450cec92e9784d1c5863c262ce4d1c61b1eff56dc85e7b74f3b8e72e6793e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5553",
    "kind": "arxiv",
    "version": 1
  }
}