Pith Number

pith:IR4HX7QV

pith:2012:IR4HX7QV4WQIQ2Z34G5HESBFXU

not attested not anchored not stored refs pending

Avian magnetoreception model realized by coupling magnetite-based mechanism with radical-pair-based mechanism

Tao Song, Yan Lu

arxiv:1202.6108 v2 · 2012-02-28 · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IR4HX7QV4WQIQ2Z34G5HESBFXU}

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	2026-05-18T03:57:02.564662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44787bfe15e5a0886b3be1ba724825bd0660053f55d7d936d0180fa8f2ee4e11

Aliases

arxiv: 1202.6108 · arxiv_version: 1202.6108v2 · doi: 10.48550/arxiv.1202.6108 · pith_short_12: IR4HX7QV4WQI · pith_short_16: IR4HX7QV4WQIQ2Z3 · pith_short_8: IR4HX7QV

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/IR4HX7QV4WQIQ2Z34G5HESBFXU \
  | 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: 44787bfe15e5a0886b3be1ba724825bd0660053f55d7d936d0180fa8f2ee4e11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29ec1983b77991585d4ed073ae64b06ba98f2782bdf2f35226167fa1f13a6190",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-02-28T02:52:40Z",
    "title_canon_sha256": "c1193191e0ba8eac4dc00be2d0a706ab263217e59c600fd5c82a00e52efb63fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6108",
    "kind": "arxiv",
    "version": 2
  }
}