Pith Number

pith:FLT2OUJT

pith:2026:FLT2OUJTPBLWBMZ3BQSVXJBHPJ

not attested not anchored not stored refs pending

Fitness Inference in Presence of Migrations between Coupled Evolving Populations

Bastien Dumont, Erik Aurell, Hong-Li Zeng, John Barton, Yu-Han Huang

arxiv:2605.22665 v1 · 2026-05-21 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLT2OUJTPBLWBMZ3BQSVXJBHPJ}

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	2026-05-22T02:04:49.188650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae7a75133785760b33b0c255ba4277a5c2ffcc8bce589a073b3a81223d43ddc

Aliases

arxiv: 2605.22665 · arxiv_version: 2605.22665v1 · doi: 10.48550/arxiv.2605.22665 · pith_short_12: FLT2OUJTPBLW · pith_short_16: FLT2OUJTPBLWBMZ3 · pith_short_8: FLT2OUJT

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/FLT2OUJTPBLWBMZ3BQSVXJBHPJ \
  | 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: 2ae7a75133785760b33b0c255ba4277a5c2ffcc8bce589a073b3a81223d43ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1848f51fc535ae9f502e86f2d62179bfb8085ffefbd551ce2f0ae42785a4d929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2026-05-21T16:07:55Z",
    "title_canon_sha256": "10e804b9c1aaac0c748561e4c204495b57ff6b52e6956106bb744d49a6c7d01d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22665",
    "kind": "arxiv",
    "version": 1
  }
}