Pith Number

pith:LW5ZD54O

pith:2005:LW5ZD54OKCLJIXDQBQ4SZAHBYS

not attested not anchored not stored refs pending

Learning nonsingular phylogenies and hidden Markov models

Elchanan Mossel, S\'ebastien Roch

arxiv:cs/0502076 v2 · 2005-02-18 · cs.LG · cs.CE · math.PR · math.ST · q-bio.PE · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LW5ZD54OKCLJIXDQBQ4SZAHBYS}

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	2026-05-18T01:08:55.121852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dbb91f78e5096945c700c392c80e1c4888e345f51c17dd443116ba88ea6a5e3

Aliases

arxiv: cs/0502076 · arxiv_version: cs/0502076v2 · doi: 10.48550/arxiv.cs/0502076 · pith_short_12: LW5ZD54OKCLJ · pith_short_16: LW5ZD54OKCLJIXDQ · pith_short_8: LW5ZD54O

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/LW5ZD54OKCLJIXDQBQ4SZAHBYS \
  | 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: 5dbb91f78e5096945c700c392c80e1c4888e345f51c17dd443116ba88ea6a5e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f6b6b2bcc63ebfc6b6480f5834d0e67e1e39bdbf36973ec4bdbb93ce256bfda",
    "cross_cats_sorted": [
      "cs.CE",
      "math.PR",
      "math.ST",
      "q-bio.PE",
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "cs.LG",
    "submitted_at": "2005-02-18T01:31:53Z",
    "title_canon_sha256": "7ea5912a8a6bf77460958d609e63ada912ff3896c857b0b9c8059126a385c04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0502076",
    "kind": "arxiv",
    "version": 2
  }
}