Pith Number

pith:UNJNTE5C

pith:2020:UNJNTE5CZGXRP5FK6ZAMGKNRB6

not attested not anchored not stored refs pending

Cellular and Developmental Basis of Avian Structural Coloration

C\'edric Finet (1) ((1) Division of Science, Singapore), Vinodkumar Saranathan (1), Yale-NUS College

arxiv:2012.10338 v2 · 2020-12-18 · cond-mat.soft · physics.bio-ph · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNJNTE5CZGXRP5FK6ZAMGKNRB6}

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	2026-07-05T02:20:42.826216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a352d993a2c9af17f4aaf640c329b10fa3409689bfffb8c4fa7c49e4098c6f0c

Aliases

arxiv: 2012.10338 · arxiv_version: 2012.10338v2 · doi: 10.48550/arxiv.2012.10338 · pith_short_12: UNJNTE5CZGXR · pith_short_16: UNJNTE5CZGXRP5FK · pith_short_8: UNJNTE5C

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/UNJNTE5CZGXRP5FK6ZAMGKNRB6 \
  | 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: a352d993a2c9af17f4aaf640c329b10fa3409689bfffb8c4fa7c49e4098c6f0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb6cc994ac9b31bad6975714300a2a8ad5e553cc468e2970f657f69ccdb01f85",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2020-12-18T16:36:36Z",
    "title_canon_sha256": "716e702306da7971c3d206cd8f536742659c5c99a376863d55a8868d83dbc1d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.10338",
    "kind": "arxiv",
    "version": 2
  }
}