Pith Number

pith:H7E6ZTM2

pith:2018:H7E6ZTM2DONY2YM5WOFIPYGCMP

not attested not anchored not stored refs pending

The Random Fractional Matching Problem

Carlo Lucibello, Enrico M. Malatesta, Gabriele Sicuro, Giorgio Parisi

arxiv:1802.02997 v2 · 2018-02-08 · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7E6ZTM2DONY2YM5WOFIPYGCMP}

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	2026-05-18T00:16:50.172792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc9eccd9a1b9b8d619db38a87e0c263f044f178de2d819a60632d5f1a596e9e

Aliases

arxiv: 1802.02997 · arxiv_version: 1802.02997v2 · doi: 10.48550/arxiv.1802.02997 · pith_short_12: H7E6ZTM2DONY · pith_short_16: H7E6ZTM2DONY2YM5 · pith_short_8: H7E6ZTM2

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/H7E6ZTM2DONY2YM5WOFIPYGCMP \
  | 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: 3fc9eccd9a1b9b8d619db38a87e0c263f044f178de2d819a60632d5f1a596e9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "363503393614637963b0608d7541e1f6c8503d7ea502a22647d2c0e8655bd715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2018-02-08T18:26:09Z",
    "title_canon_sha256": "a1752e67618c15cbaf40f3929f801837089feea0b643a97fb28111fc4872fcf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02997",
    "kind": "arxiv",
    "version": 2
  }
}