Pith Number

pith:XFWBW6TJ

pith:2015:XFWBW6TJDTRUHT7BIEYFEUZQ3F

not attested not anchored not stored refs pending

Feeding ducks, bacterial chemotaxis, and the Gini index

Francois J. Peaudecerf, Raymond E. Goldstein

arxiv:1507.04581 v1 · 2015-07-16 · physics.bio-ph · cond-mat.soft · q-bio.CB · 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{XFWBW6TJDTRUHT7BIEYFEUZQ3F}

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	2026-05-18T01:35:06.864208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b96c1b7a691ce343cfe14130525330d956eec4213e6bb835807eab0653dcf4b2

Aliases

arxiv: 1507.04581 · arxiv_version: 1507.04581v1 · doi: 10.48550/arxiv.1507.04581 · pith_short_12: XFWBW6TJDTRU · pith_short_16: XFWBW6TJDTRUHT7B · pith_short_8: XFWBW6TJ

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/XFWBW6TJDTRUHT7BIEYFEUZQ3F \
  | 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: b96c1b7a691ce343cfe14130525330d956eec4213e6bb835807eab0653dcf4b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6902cc27ffb8f655bb1b301cd98680f2c1fe4a7823e185b29d5361c0130df88",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "q-bio.CB",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-07-16T14:03:08Z",
    "title_canon_sha256": "d18b723a49ef2e03b43354be5492c8a41ffb20650efa6823aa267bccbcc1168b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04581",
    "kind": "arxiv",
    "version": 1
  }
}