Pith Number

pith:T6MZJCY5

pith:2009:T6MZJCY55VVCHL2QMZPANSO4H6

not attested not anchored not stored refs pending

The efficiency of individual optimization in the conditions of competitive growth

B. Brutovsky, D. Horvath, J. Kocisova

arxiv:0903.1112 v1 · 2009-03-06 · q-bio.PE · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6MZJCY55VVCHL2QMZPANSO4H6}

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	2026-05-18T02:14:36.969752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f99948b1ded6a23af50665e06c9dc3f849a4a129a80f52f86b8f55c6232d4a3

Aliases

arxiv: 0903.1112 · arxiv_version: 0903.1112v1 · doi: 10.48550/arxiv.0903.1112 · pith_short_12: T6MZJCY55VVC · pith_short_16: T6MZJCY55VVCHL2Q · pith_short_8: T6MZJCY5

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/T6MZJCY55VVCHL2QMZPANSO4H6 \
  | 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: 9f99948b1ded6a23af50665e06c9dc3f849a4a129a80f52f86b8f55c6232d4a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c294460490bbd275df7b76c5efe953ef76ea0c4c64ad71e95a09fdd76f3b0f8",
    "cross_cats_sorted": [
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-03-06T09:57:55Z",
    "title_canon_sha256": "192f4ded9756311d8db941a0460e3a5edd04441207aa09589d097ccde3e7f9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1112",
    "kind": "arxiv",
    "version": 1
  }
}