Pith Number

pith:6LSK46O5

pith:2018:6LSK46O5G3ZQ5VMALARJ2MHQFL

not attested not anchored not stored refs pending

Modeling biological systems with an improved fractional Gompertz law

Andrea Giusti, Luigi Frunzo, Roberto Garra, Vincenzo Luongo

arxiv:1807.05937 v2 · 2018-07-16 · physics.bio-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LSK46O5G3ZQ5VMALARJ2MHQFL}

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	2026-05-17T23:50:33.864737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2e4ae79dd36f30ed58058229d30f02ac53cf22e5acd13fa27f2fc13f3d9430c

Aliases

arxiv: 1807.05937 · arxiv_version: 1807.05937v2 · doi: 10.48550/arxiv.1807.05937 · pith_short_12: 6LSK46O5G3ZQ · pith_short_16: 6LSK46O5G3ZQ5VMA · pith_short_8: 6LSK46O5

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/6LSK46O5G3ZQ5VMALARJ2MHQFL \
  | 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: f2e4ae79dd36f30ed58058229d30f02ac53cf22e5acd13fa27f2fc13f3d9430c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf1de3d5aebeb42680eebde75e6b597d1c2f0f02cf5de491191b06332973ea1",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-07-16T15:57:38Z",
    "title_canon_sha256": "e94e8e9d767546efae25f19ff70b142956f9e8c53a956b3832bc3d5786cbb964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05937",
    "kind": "arxiv",
    "version": 2
  }
}