Pith Number

pith:TC7SYSFX

pith:2013:TC7SYSFXDKOLKYC337MMDISO2D

not attested not anchored not stored refs pending

Circadian clocks optimally adapt to sunlight for reliable synchronization

Masanori Arita, Yoshihiko Hasegawa

arxiv:1305.0623 v3 · 2013-05-03 · physics.bio-ph · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TC7SYSFXDKOLKYC337MMDISO2D}

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	2026-05-18T03:04:08.410178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98bf2c48b71a9cb5605bdfd8c1a24ed0ebaf752204bb2618163cf46d00e61449

Aliases

arxiv: 1305.0623 · arxiv_version: 1305.0623v3 · doi: 10.48550/arxiv.1305.0623 · pith_short_12: TC7SYSFXDKOL · pith_short_16: TC7SYSFXDKOLKYC3 · pith_short_8: TC7SYSFX

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/TC7SYSFXDKOLKYC337MMDISO2D \
  | 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: 98bf2c48b71a9cb5605bdfd8c1a24ed0ebaf752204bb2618163cf46d00e61449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22042ff0f8cf2fa07573b2c19adf505f1ef6398b56505ef4b5b1080e6740eed3",
    "cross_cats_sorted": [
      "q-bio.MN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2013-05-03T05:16:41Z",
    "title_canon_sha256": "eeb1ee2cdf0661e955e481540dfc6d678559a8ac3ce06c3e7e9a56ab44eef5cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0623",
    "kind": "arxiv",
    "version": 3
  }
}