Pith Number

pith:2ZEK44KU

pith:2020:2ZEK44KU67BP3IIZSZBOZL6O4P

not attested not anchored not stored refs pending

From tree matching to sparse graph alignment

Laurent Massouli\'e, Luca Ganassali

arxiv:2002.01258 v2 · 2020-02-04 · cs.DS · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZEK44KU67BP3IIZSZBOZL6O4P}

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.

Cited by

1 paper in Pith

High-Dimensional Procrustes Matching via Tree Counts

Receipt and verification

First computed	2026-07-05T01:47:42.875621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d648ae7154f7c2fda1199642ecafcee3de6086b9a1c0626b4ab9df6a45ab43ac

Aliases

arxiv: 2002.01258 · arxiv_version: 2002.01258v2 · doi: 10.48550/arxiv.2002.01258 · pith_short_12: 2ZEK44KU67BP · pith_short_16: 2ZEK44KU67BP3IIZ · pith_short_8: 2ZEK44KU

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/2ZEK44KU67BP3IIZSZBOZL6O4P \
  | 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: d648ae7154f7c2fda1199642ecafcee3de6086b9a1c0626b4ab9df6a45ab43ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16dbdd9130897ceecb57e94393ae8a3e3d32bfa9efddcea60fc04209df832abe",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-02-04T12:36:21Z",
    "title_canon_sha256": "e3ee4bcda3e655f45f9ae97f6d129ff405b58bd132b6f878fcb4a57ad7a63407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01258",
    "kind": "arxiv",
    "version": 2
  }
}