Pith Number

pith:JGYSJ3LB

pith:2013:JGYSJ3LBXX7EXLACBUP6HVOQ7G

not attested not anchored not stored refs pending

Covering Pairs in Directed Acyclic Graphs

Niko Beerenwinkel, Paola Bonizzoni, Riccardo Dondi, Stefano Beretta, Yuri Pirola

arxiv:1310.5037 v1 · 2013-10-18 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGYSJ3LBXX7EXLACBUP6HVOQ7G}

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	2026-05-18T02:57:06.440555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49b124ed61bdfe4bac020d1fe3d5d0f99cf6d852b638356ec6b01b1137c63aa5

Aliases

arxiv: 1310.5037 · arxiv_version: 1310.5037v1 · doi: 10.48550/arxiv.1310.5037 · pith_short_12: JGYSJ3LBXX7E · pith_short_16: JGYSJ3LBXX7EXLAC · pith_short_8: JGYSJ3LB

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/JGYSJ3LBXX7EXLACBUP6HVOQ7G \
  | 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: 49b124ed61bdfe4bac020d1fe3d5d0f99cf6d852b638356ec6b01b1137c63aa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49e16cb8cecede6cbc208b45ae576738f78319214a584575f5823b86c8d0796d",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-10-18T14:33:06Z",
    "title_canon_sha256": "502f8aa989fbdc2d03a1f47e7cfd7d241a9f798cac1b0a49cfbe41dc8f4705ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5037",
    "kind": "arxiv",
    "version": 1
  }
}