Pith Number

pith:W5F4WGM4

pith:2025:W5F4WGM437BFOXCPTWG3DVESUT

not attested not anchored not stored refs pending

Optimum Contribution Selection for Honeybees

Andreas Hoppe, Manuel Du, Richard Bernstein

arxiv:2504.12895 v1 · 2025-04-17 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5F4WGM437BFOXCPTWG3DVESUT}

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	2026-07-05T10:50:34.462005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b74bcb199cdfc2575c4f9d8db1d492a4d20a865df85fa08f2c6285c649463efa

Aliases

arxiv: 2504.12895 · arxiv_version: 2504.12895v1 · doi: 10.48550/arxiv.2504.12895 · pith_short_12: W5F4WGM437BF · pith_short_16: W5F4WGM437BFOXCP · pith_short_8: W5F4WGM4

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/W5F4WGM437BFOXCPTWG3DVESUT \
  | 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: b74bcb199cdfc2575c4f9d8db1d492a4d20a865df85fa08f2c6285c649463efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4378c34e622aab2090159685ce86b9e45e56f655739be9529361c19f7889462",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2025-04-17T12:37:58Z",
    "title_canon_sha256": "65c7d239432d1d7a5aa5becb18a96b84aa798a28246341f9025190cb8639726c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12895",
    "kind": "arxiv",
    "version": 1
  }
}