pith. sign in
Pith Number

pith:NPHVEZN4

pith:2019:NPHVEZN4QZZXAKH3ITJTVJSLGP
not attested not anchored not stored refs pending

Genetic drift in range expansions is very sensitive to density feedback in dispersal and growth

Gabriel Birzu, Kirill S. Korolev, Oskar Hallatschek, Sakib Matin

arxiv:1903.11627 v1 · 2019-03-27 · q-bio.PE · cond-mat.stat-mech · physics.bio-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NPHVEZN4QZZXAKH3ITJTVJSLGP}

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 2026-05-17T23:50:02.177958Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6bcf5265bc86737028fb44d33aa64b33ed621e8a591eb466eccf0edb7cfbdf98

Aliases

arxiv: 1903.11627 · arxiv_version: 1903.11627v1 · doi: 10.48550/arxiv.1903.11627 · pith_short_12: NPHVEZN4QZZX · pith_short_16: NPHVEZN4QZZXAKH3 · pith_short_8: NPHVEZN4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NPHVEZN4QZZXAKH3ITJTVJSLGP \
  | 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: 6bcf5265bc86737028fb44d33aa64b33ed621e8a591eb466eccf0edb7cfbdf98
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ebdc0ed69f36d95294493a713cebe0ad5a5b26ed517e80d1efa687cea07a5cdb",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-03-27T18:07:14Z",
    "title_canon_sha256": "dbcf0c21d8c23c65a342ae709c92be22f2b06ac89d0931c62aa6769d78a4ef27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11627",
    "kind": "arxiv",
    "version": 1
  }
}