pith. sign in
Pith Number

pith:2QDJIP67

pith:2012:2QDJIP677BXI4PYEKHPI2UH4PA
not attested not anchored not stored refs pending

Invasions in heterogeneous habitats in the presence of advection

Davide Vergni, Massimo Cencini, Sandro Iannaccone, Stefano Berti

arxiv:1202.5329 v1 · 2012-02-23 · q-bio.PE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2QDJIP677BXI4PYEKHPI2UH4PA}

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 2026-05-18T04:01:37.499053Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d406943fdff86e8e3f0451de8d50fc7832097afe27d0a6604bf88303d7cc314c

Aliases

arxiv: 1202.5329 · arxiv_version: 1202.5329v1 · doi: 10.48550/arxiv.1202.5329 · pith_short_12: 2QDJIP677BXI · pith_short_16: 2QDJIP677BXI4PYE · pith_short_8: 2QDJIP67
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2QDJIP677BXI4PYEKHPI2UH4PA \
  | 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: d406943fdff86e8e3f0451de8d50fc7832097afe27d0a6604bf88303d7cc314c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "78a4f3c64417824d96ce224f23ed9c74c03b39edb76f466cea227047ac364830",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-02-23T21:35:38Z",
    "title_canon_sha256": "69672710bce29168621095d0d989bea5c66774b197a6ad8d0bb812d891cedc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5329",
    "kind": "arxiv",
    "version": 1
  }
}