Pith Number

pith:IRAPD3SU

pith:2013:IRAPD3SUQWA7UJGN37JBQM6LGY

not attested not anchored not stored refs pending

Characterization of Minimum Cycle Basis in Weighted Partial 2-trees

G. Ramakrishna, N.S. Narayanaswamy

arxiv:1302.5889 v1 · 2013-02-24 · cs.DM · 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{IRAPD3SUQWA7UJGN37JBQM6LGY}

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	2026-05-18T03:32:43.286957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4440f1ee548581fa24cddfd21833cb3612b79748405b3ce905fcef96cab8e892

Aliases

arxiv: 1302.5889 · arxiv_version: 1302.5889v1 · doi: 10.48550/arxiv.1302.5889 · pith_short_12: IRAPD3SUQWA7 · pith_short_16: IRAPD3SUQWA7UJGN · pith_short_8: IRAPD3SU

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/IRAPD3SUQWA7UJGN37JBQM6LGY \
  | 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: 4440f1ee548581fa24cddfd21833cb3612b79748405b3ce905fcef96cab8e892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf6bd663e4dc9a6d7506fc7a669f72f7d42ca1702ff9f5081cace78f7d5aa546",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-02-24T09:41:28Z",
    "title_canon_sha256": "674fe830c63dcea653820361c66aecfb8c9bf5b6c1004b4ece19bbc8374ac88c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5889",
    "kind": "arxiv",
    "version": 1
  }
}