Pith Number

pith:FNZUHCKS

pith:2019:FNZUHCKSSVSSUYG72JG6NM2LRP

not attested not anchored not stored refs pending

Distance to the stochastic part of phylogenetic varieties

Jes\'us Fern\'andez-S\'anchez, Marina Garrote-L\'opez, Marta Casanellas

arxiv:1912.02138 v2 · 2019-12-04 · q-bio.PE · 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{FNZUHCKSSVSSUYG72JG6NM2LRP}

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	2026-07-05T01:41:29.410798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b7343895295652a60dfd24de6b34b8beff490d46e6bb1393360c239edab9c8c

Aliases

arxiv: 1912.02138 · arxiv_version: 1912.02138v2 · doi: 10.48550/arxiv.1912.02138 · pith_short_12: FNZUHCKSSVSS · pith_short_16: FNZUHCKSSVSSUYG7 · pith_short_8: FNZUHCKS

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/FNZUHCKSSVSSUYG72JG6NM2LRP \
  | 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: 2b7343895295652a60dfd24de6b34b8beff490d46e6bb1393360c239edab9c8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0935ad00f7c96deac7eb32e9383d1059e970276a7584a9c1a59e3f8ebe130dd",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-12-04T17:41:11Z",
    "title_canon_sha256": "3c8102a13ee432b186ac3f04cca92a49910525d2fb7ca7a8ddd128cebd2023d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02138",
    "kind": "arxiv",
    "version": 2
  }
}