Pith Number

pith:BGJ2A5ZN

pith:2025:BGJ2A5ZNGR4YES2AM33EMDJKTZ

not attested not anchored not stored refs pending

Phototactic Decision-Making by Micro-Algae

Adham Al-Kassem, Adriana I. Pesci, Nir S. Gov, Rapha\"el Jeanneret, Raymond E. Goldstein, Shantanu Raikwar

arxiv:2507.01684 v1 · 2025-07-02 · cond-mat.soft · physics.bio-ph · q-bio.CB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGJ2A5ZNGR4YES2AM33EMDJKTZ}

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	2026-07-05T11:30:53.211670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0993a0772d3479824b4066f6460d2a9e5799be324eb8cb0f09d7f9a5901a07ae

Aliases

arxiv: 2507.01684 · arxiv_version: 2507.01684v1 · doi: 10.48550/arxiv.2507.01684 · pith_short_12: BGJ2A5ZNGR4Y · pith_short_16: BGJ2A5ZNGR4YES2A · pith_short_8: BGJ2A5ZN

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/BGJ2A5ZNGR4YES2AM33EMDJKTZ \
  | 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: 0993a0772d3479824b4066f6460d2a9e5799be324eb8cb0f09d7f9a5901a07ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39765ff178cbbdd38d74f5e6c32fd5438b9b758e063b998da226ce0175210c5c",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.CB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2025-07-02T13:10:51Z",
    "title_canon_sha256": "09a74f131d388c13d83a9174fa1c71f0f07525878e57bbe48a47846c61f1506b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01684",
    "kind": "arxiv",
    "version": 1
  }
}