Pith Number
pith:2NCFJL6R
pith:2009:2NCFJL6REBYQOXCMUFGXNVVTKB
not attested
not anchored
not stored
refs pending
A Bijection between well-labelled positive paths and matchings
arxiv:0903.5379 v1 · 2009-03-31 · math.CO
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2NCFJL6REBYQOXCMUFGXNVVTKB}
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
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claim
4
Citations
5
Replications
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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 | 2026-05-18T04:40:00.773775Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
d34454afd12071075c4ca14d76d6b3505e2b650dd2f9d0ec2a5085acef56a323
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2NCFJL6REBYQOXCMUFGXNVVTKB \
| 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: d34454afd12071075c4ca14d76d6b3505e2b650dd2f9d0ec2a5085acef56a323
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "33b5a70bcf73c80bf2838c4e6f515347d26a0c915c95e0ce779b1b4d51407728",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "math.CO",
"submitted_at": "2009-03-31T06:54:21Z",
"title_canon_sha256": "56420712ae07812c1db779173890392bade5bb3f65135e11254b90f041752dd9"
},
"schema_version": "1.0",
"source": {
"id": "0903.5379",
"kind": "arxiv",
"version": 1
}
}