pith. sign in
Pith Number

pith:QW6G43VU

pith:2018:QW6G43VUBECSSXA2FKDOG4PXHB
not attested not anchored not stored refs pending

Sensitivity to initial conditions in an extended activator-inhibitor model for the formation of patterns

K. Smaga, R. Piasecki, W. Olchawa

arxiv:1804.06228 v2 · 2018-03-19 · q-bio.CB · physics.comp-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QW6G43VUBECSSXA2FKDOG4PXHB}

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 2026-05-18T00:10:59.750642Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

85bc6e6eb40905295c1a2a86e371f73842616823a942637a47fc4b2aa8e35aa4

Aliases

arxiv: 1804.06228 · arxiv_version: 1804.06228v2 · doi: 10.48550/arxiv.1804.06228 · pith_short_12: QW6G43VUBECS · pith_short_16: QW6G43VUBECSSXA2 · pith_short_8: QW6G43VU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QW6G43VUBECSSXA2FKDOG4PXHB \
  | 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: 85bc6e6eb40905295c1a2a86e371f73842616823a942637a47fc4b2aa8e35aa4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8537e2c68c4875adbdfbae88604d7cf5c189145914a115a445fed0264cb7ef47",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.CB",
    "submitted_at": "2018-03-19T23:50:48Z",
    "title_canon_sha256": "15dd0847d798471e413b7570200f4871cdbfbe419891421f61db00931be7fda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06228",
    "kind": "arxiv",
    "version": 2
  }
}