Pith Number

pith:CS5PZRIG

pith:2025:CS5PZRIGKSXCAOSGKGGF7YZ4QC

not attested not anchored not stored refs pending

Modeling the Optical Properties of Biological Structures using Symbolic Regression

Alexandre Vial, Demetrio Mac\'ias, Diana Skigin, Julian Sierra-Velez, Marina Inchaussandague

arxiv:2506.01862 v3 · 2025-06-02 · physics.comp-ph · physics.bio-ph · 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{CS5PZRIGKSXCAOSGKGGF7YZ4QC}

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	2026-07-05T11:58:30.602483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14bafcc50654ae203a46518c5fe33c809460e63e2fe442e82af75b250dca90b4

Aliases

arxiv: 2506.01862 · arxiv_version: 2506.01862v3 · doi: 10.48550/arxiv.2506.01862 · pith_short_12: CS5PZRIGKSXC · pith_short_16: CS5PZRIGKSXCAOSG · pith_short_8: CS5PZRIG

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/CS5PZRIGKSXCAOSGKGGF7YZ4QC \
  | 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: 14bafcc50654ae203a46518c5fe33c809460e63e2fe442e82af75b250dca90b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee56e589cdacee45b780fb8841dbc8c2e26b151bd7dff2464f2ddf8a7600fc46",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-06-02T16:51:49Z",
    "title_canon_sha256": "0373ec324395b2edc36feb430c75e4606fe82f75c35e01d6ffba086bdecfffb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01862",
    "kind": "arxiv",
    "version": 3
  }
}