Pith Number

pith:EKK3G7TO

pith:2012:EKK3G7TOAGQYAN33WLVSNKUI54

not attested not anchored not stored refs pending

Arc-Disjoint Paths and Trees in 2-Regular Digraphs

J{\o}rgen Bang-Jensen, Sven Simonsen

arxiv:1203.4705 v1 · 2012-03-21 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKK3G7TOAGQYAN33WLVSNKUI54}

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	2026-05-18T03:59:37.404156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2295b37e6e01a180377bb2eb26aa88ef09208d15d1972c242ecb136a071c0d28

Aliases

arxiv: 1203.4705 · arxiv_version: 1203.4705v1 · doi: 10.48550/arxiv.1203.4705 · pith_short_12: EKK3G7TOAGQY · pith_short_16: EKK3G7TOAGQYAN33 · pith_short_8: EKK3G7TO

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/EKK3G7TOAGQYAN33WLVSNKUI54 \
  | 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: 2295b37e6e01a180377bb2eb26aa88ef09208d15d1972c242ecb136a071c0d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2222c38f3714bba8927660919e0e8f109f62c030c1e8a5604a5f438e29c70a5",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-21T11:15:51Z",
    "title_canon_sha256": "04289276c76240f5bdf64686726b44cd8b086ff7c3b297c07798a29d48bb4281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4705",
    "kind": "arxiv",
    "version": 1
  }
}