Pith Number

pith:NQ4U5524

pith:2014:NQ4U5524SUJAFY6ALGEOLNNCNE

not attested not anchored not stored refs pending

Absence of Red Structural Color in Photonic Glasses, Bird Feathers and Certain Beetles

Jin-Gyu Park, Sofia Magkiriadou, Vinothan N. Manoharan, Young-Seok Kim

arxiv:1409.8575 v2 · 2014-09-30 · cond-mat.soft · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQ4U5524SUJAFY6ALGEOLNNCNE}

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	2026-05-18T01:36:01.859009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c394ef75c951202e3c05988e5b5a2690128127b05ba7f27d6d5ff7af662d0f3

Aliases

arxiv: 1409.8575 · arxiv_version: 1409.8575v2 · doi: 10.48550/arxiv.1409.8575 · pith_short_12: NQ4U5524SUJA · pith_short_16: NQ4U5524SUJAFY6A · pith_short_8: NQ4U5524

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/NQ4U5524SUJAFY6ALGEOLNNCNE \
  | 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: 6c394ef75c951202e3c05988e5b5a2690128127b05ba7f27d6d5ff7af662d0f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eedcc53313a0321e5175db8e8f5ed0c6ad216ca332e9ce18053a1eaade1337b1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2014-09-30T14:54:57Z",
    "title_canon_sha256": "7935478c4ec96dd546872b874f1619eac7c03adbfae6e3de35125aa7cad5b22a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8575",
    "kind": "arxiv",
    "version": 2
  }
}