Pith Number

pith:MAP2IZ2H

pith:2008:MAP2IZ2H5TYOLLGW53XQJZTG3V

not attested not anchored not stored refs pending

Phylogenies without Branch Bounds: Contracting the Short, Pruning the Deep

Constantinos Daskalakis, Elchanan Mossel, Sebastien Roch

arxiv:0801.4190 v2 · 2008-01-28 · q-bio.PE · cs.CE · cs.DS · math.PR · math.ST · 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{MAP2IZ2H5TYOLLGW53XQJZTG3V}

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	2026-05-18T04:12:02.496740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

601fa46747ecf0e5acd6eeef04e666dd429625d5fd60e9cbd2fa1a19b9e8e741

Aliases

arxiv: 0801.4190 · arxiv_version: 0801.4190v2 · doi: 10.48550/arxiv.0801.4190 · pith_short_12: MAP2IZ2H5TYO · pith_short_16: MAP2IZ2H5TYOLLGW · pith_short_8: MAP2IZ2H

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/MAP2IZ2H5TYOLLGW53XQJZTG3V \
  | 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: 601fa46747ecf0e5acd6eeef04e666dd429625d5fd60e9cbd2fa1a19b9e8e741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce7293df05fb6f20b1d1fe477a5d17b89c849f371ee821f102408614f8af53c3",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.DS",
      "math.PR",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2008-01-28T05:10:22Z",
    "title_canon_sha256": "4fdef07d3e7a47a11c99924a2ecc0878d08d2196e9243a2e7c14281b92ff7b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.4190",
    "kind": "arxiv",
    "version": 2
  }
}