Pith Number

pith:W3FUHGFM

pith:2018:W3FUHGFM32FOZ3YDRHLNIL5Y6T

not attested not anchored not stored refs pending

Inference of Population History using Coalescent HMMs: Review and Outlook

Jeffrey P. Spence, Jonathan Terhorst, Matthias Steinr\"ucken, Yun S. Song

arxiv:1807.02763 v1 · 2018-07-08 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3FUHGFM32FOZ3YDRHLNIL5Y6T}

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	2026-05-18T00:11:13.790964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6cb4398acde8aecef0389d6d42fb8f4dd1132880d6b3ff3b5b19b5b82fcde89

Aliases

arxiv: 1807.02763 · arxiv_version: 1807.02763v1 · doi: 10.48550/arxiv.1807.02763 · pith_short_12: W3FUHGFM32FO · pith_short_16: W3FUHGFM32FOZ3YD · pith_short_8: W3FUHGFM

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/W3FUHGFM32FOZ3YDRHLNIL5Y6T \
  | 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: b6cb4398acde8aecef0389d6d42fb8f4dd1132880d6b3ff3b5b19b5b82fcde89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55bd43d8bfb81ec50a385777286edc2819c9916534142b732aa8211f4d3bc816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-07-08T06:32:27Z",
    "title_canon_sha256": "18f8fb3356817952be391e5c4b906241518a1d72d0fa9dcbe07fa5aa44b47672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02763",
    "kind": "arxiv",
    "version": 1
  }
}