Pith Number

pith:V3YI3H2Y

pith:2012:V3YI3H2YURARPF6VCYACBICMXU

not attested not anchored not stored refs pending

Colour changes upon cooling of Lepidoptera scales containing photonic nanoarchitectures

Andras Kun, Istvan Tamaska, Krisztian Kertesz, Laszlo Peter Biro, Shen-Horn Yen, Zofia Vertesy, Zsolt Balint

arxiv:1206.2749 v1 · 2012-06-13 · physics.bio-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V3YI3H2YURARPF6VCYACBICMXU}

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	2026-05-18T03:53:43.189972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aef08d9f58a4411797d5160020a04cbd37437f5ac227af1605c10d47460402af

Aliases

arxiv: 1206.2749 · arxiv_version: 1206.2749v1 · doi: 10.48550/arxiv.1206.2749 · pith_short_12: V3YI3H2YURAR · pith_short_16: V3YI3H2YURARPF6V · pith_short_8: V3YI3H2Y

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/V3YI3H2YURARPF6VCYACBICMXU \
  | 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: aef08d9f58a4411797d5160020a04cbd37437f5ac227af1605c10d47460402af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d75f64205005c3241cc78d7502c6cae77de4d02e7e52d1657cb28c627ffdc3",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-06-13T08:43:07Z",
    "title_canon_sha256": "4903e09bcaa5cda5643f191dc078b0662a24b42ac11f06430252e3dad1935dc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2749",
    "kind": "arxiv",
    "version": 1
  }
}