Pith Number

pith:NAG4VU32

pith:2019:NAG4VU32JGDENVQFJTOOUJGX6Q

not attested not anchored not stored refs pending

Limits on amplifiers of natural selection under death-Birth updating

Andreas Pavlogiannis, Josef Tkadlec, Krishnendu Chatterjee, Martin A. Nowak

arxiv:1906.02785 v1 · 2019-06-06 · q-bio.PE · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAG4VU32JGDENVQFJTOOUJGX6Q}

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	2026-07-05T01:14:25.752547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

680dcad37a498646d6054cdcea24d7f4119fc463610410102881b8b7569c4ee4

Aliases

arxiv: 1906.02785 · arxiv_version: 1906.02785v1 · doi: 10.48550/arxiv.1906.02785 · pith_short_12: NAG4VU32JGDE · pith_short_16: NAG4VU32JGDENVQF · pith_short_8: NAG4VU32

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/NAG4VU32JGDENVQFJTOOUJGX6Q \
  | 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: 680dcad37a498646d6054cdcea24d7f4119fc463610410102881b8b7569c4ee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36e3361c7c43b41501e6faf4f81f662aa8610f8eaa45fd7834eb1892a26671c8",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-06-06T19:31:06Z",
    "title_canon_sha256": "29ffbb8c08f89d0a5471c605c99fc44cc0438fb62910990323ec77cd3b7e2d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02785",
    "kind": "arxiv",
    "version": 1
  }
}