Pith Number

pith:726B7OLW

pith:2013:726B7OLWRKZCAUSM5HAI5I64YV

not attested not anchored not stored refs pending

Characterizing Compatibility and Agreement of Unrooted Trees via Cuts in Graphs

David Fern\'andez-Baca, Sudheer Vakati

arxiv:1307.7828 v1 · 2013-07-30 · cs.DM · cs.CE · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{726B7OLWRKZCAUSM5HAI5I64YV}

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	2026-05-18T03:17:02.444351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

febc1fb9768ab220524ce9c08ea3dcc56b219eb8d7c9c7ca76ce6c7dedf416db

Aliases

arxiv: 1307.7828 · arxiv_version: 1307.7828v1 · doi: 10.48550/arxiv.1307.7828 · pith_short_12: 726B7OLWRKZC · pith_short_16: 726B7OLWRKZCAUSM · pith_short_8: 726B7OLW

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/726B7OLWRKZCAUSM5HAI5I64YV \
  | 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: febc1fb9768ab220524ce9c08ea3dcc56b219eb8d7c9c7ca76ce6c7dedf416db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25fb3193c59abce5ff7398e7cb2c4ed10f2f09d62161cf08010e5c0f737bc5c1",
    "cross_cats_sorted": [
      "cs.CE",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-07-30T05:42:36Z",
    "title_canon_sha256": "f29b6a490599c8f88be46b94e3ba2f7a5e224293e5656de4de7756ee706a2947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7828",
    "kind": "arxiv",
    "version": 1
  }
}