Pith Number

pith:HQXM5BIX

pith:2022:HQXM5BIXTDGVWC52PBL3TOHFTA

not attested not anchored not stored refs pending

The height of chitinous ridges alone produces the entire structural colour palette

C\'edric Finet, Hemant Kumar Raut, Javier Gomez Fernandez, Joel Yang, Qifeng Ruan, Vinodkumar Saranathan

arxiv:2210.06013 v1 · 2022-10-12 · 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{HQXM5BIXTDGVWC52PBL3TOHFTA}

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	2026-07-05T05:05:55.439582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c2ece851798cd5b0bba7857b9b8e5982fe73678c54af21421d98a669185e122

Aliases

arxiv: 2210.06013 · arxiv_version: 2210.06013v1 · doi: 10.48550/arxiv.2210.06013 · pith_short_12: HQXM5BIXTDGV · pith_short_16: HQXM5BIXTDGVWC52 · pith_short_8: HQXM5BIX

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/HQXM5BIXTDGVWC52PBL3TOHFTA \
  | 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: 3c2ece851798cd5b0bba7857b9b8e5982fe73678c54af21421d98a669185e122

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c27690aa57f2a89d4924b6b6916038513383a69a82ea466f799092e1012ee4b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2022-10-12T08:39:22Z",
    "title_canon_sha256": "3269416380da3cf8b30845082c6ca045347f4dbfc12eba4613577e708a39bbdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.06013",
    "kind": "arxiv",
    "version": 1
  }
}