Pith Number

pith:KCPLZBLQ

pith:2005:KCPLZBLQ2SRTECF5G7TKNMPGWH

not attested not anchored not stored refs pending

Evidence of a universal power law characterizing the evolution of metabolic networks

Areejit Samal, N. Raghuram, Sandeep Krishna, Sanjay Jain, Shalini, Varun Giri

arxiv:q-bio/0504015 v1 · 2005-04-11 · q-bio.MN · cond-mat.dis-nn · 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{KCPLZBLQ2SRTECF5G7TKNMPGWH}

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	2026-07-04T14:45:23.910356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

509ebc8570d4a33208bd37e6a6b1e6b1f1df8f854c265b8578bdf55609b5dc7b

Aliases

arxiv: q-bio/0504015 · arxiv_version: q-bio/0504015v1 · doi: 10.48550/arxiv.q-bio/0504015 · pith_short_12: KCPLZBLQ2SRT · pith_short_16: KCPLZBLQ2SRTECF5 · pith_short_8: KCPLZBLQ

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/KCPLZBLQ2SRTECF5G7TKNMPGWH \
  | 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: 509ebc8570d4a33208bd37e6a6b1e6b1f1df8f854c265b8578bdf55609b5dc7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95143c252b1b15749948e93da05620d860fdea70c6fd107f6224446a59b42bba",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "q-bio.PE"
    ],
    "license": "",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2005-04-11T16:18:05Z",
    "title_canon_sha256": "1133e2b6e5b20175ea0a2081562909ffcf9cd5dc9dc5b8092b697d01339ce577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0504015",
    "kind": "arxiv",
    "version": 1
  }
}