Pith Number

pith:FNFYLKMD

pith:2021:FNFYLKMDPB4Z2ACJZLK2ZOGIAF

not attested not anchored not stored refs pending

Spatial population genetics with fluid flow

David R. Nelson, Federico Toschi, Roberto Benzi, Suraj Shankar, Xiaojue Zhu

arxiv:2112.09079 v2 · 2021-12-16 · q-bio.PE · cond-mat.soft · cond-mat.stat-mech · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNFYLKMDPB4Z2ACJZLK2ZOGIAF}

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	2026-07-05T04:51:34.064219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b4b85a98378799d0049cad5acb8c80152004a374d27ce6c066a4755c9b63676

Aliases

arxiv: 2112.09079 · arxiv_version: 2112.09079v2 · doi: 10.48550/arxiv.2112.09079 · pith_short_12: FNFYLKMDPB4Z · pith_short_16: FNFYLKMDPB4Z2ACJ · pith_short_8: FNFYLKMD

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/FNFYLKMDPB4Z2ACJZLK2ZOGIAF \
  | 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: 2b4b85a98378799d0049cad5acb8c80152004a374d27ce6c066a4755c9b63676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec81cf021749820c483c7d4298c164816261228fb4748e7fe910c124c6136332",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "cond-mat.stat-mech",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2021-12-16T18:03:56Z",
    "title_canon_sha256": "896d54e0705055e7a49e2da437ff652ad95e426fbfee87428a4e4cede67aecdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09079",
    "kind": "arxiv",
    "version": 2
  }
}