Pith Number

pith:5E6GXDF5

pith:2009:5E6GXDF5UYCAVIJONYDYLTTH5J

not attested not anchored not stored refs pending

Genealogical trees from genetic distances

Italy), L'Aquila, Luce Prignano (Dipartimento di Fisica, Maurizio Serva (Dipartimento di Matematica, Roma, Universit\`a dell'Aquila, Universit\`a di Roma "La Sapienza"

arxiv:0901.3251 v2 · 2009-01-21 · q-bio.PE · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5E6GXDF5UYCAVIJONYDYLTTH5J}

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	2026-05-18T02:14:56.458347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93c6b8cbda6040aa12e6e0785ce67ea70650ffc5b7d98db3284f67668341e4c

Aliases

arxiv: 0901.3251 · arxiv_version: 0901.3251v2 · doi: 10.48550/arxiv.0901.3251 · pith_short_12: 5E6GXDF5UYCA · pith_short_16: 5E6GXDF5UYCAVIJO · pith_short_8: 5E6GXDF5

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/5E6GXDF5UYCAVIJONYDYLTTH5J \
  | 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: e93c6b8cbda6040aa12e6e0785ce67ea70650ffc5b7d98db3284f67668341e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b8302762aae880648aee11211ca741e184578a32d98c8f62d5b9f573000f40",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-01-21T15:41:25Z",
    "title_canon_sha256": "cb0518e70f54cc0320c0f2d8cb56f3d7a5af321c938c9c7d834daa5d3deb9152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3251",
    "kind": "arxiv",
    "version": 2
  }
}