Pith Number

pith:JJMDERUM

pith:2009:JJMDERUM56QV26LPFDDOPG5WED

not attested not anchored not stored refs pending

Viable harvest of monotone bioeconomic models

Hector Ramirez Cabrera (CMM), Michel de Lara (CERMICS), Pedro Gajardo

arxiv:0906.4842 v1 · 2009-06-26 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJMDERUM56QV26LPFDDOPG5WED}

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	2026-05-17T23:48:12.298388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a5832468cefa15d796f28c6e79bb620c1812c9566d0a505f74483bef2150fe0

Aliases

arxiv: 0906.4842 · arxiv_version: 0906.4842v1 · doi: 10.48550/arxiv.0906.4842 · pith_short_12: JJMDERUM56QV · pith_short_16: JJMDERUM56QV26LP · pith_short_8: JJMDERUM

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/JJMDERUM56QV26LPFDDOPG5WED \
  | 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: 4a5832468cefa15d796f28c6e79bb620c1812c9566d0a505f74483bef2150fe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceab239d4ab9a1329792e658e8f1e083394e112fc9fdc20f958d3064b997e56b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2009-06-26T05:10:47Z",
    "title_canon_sha256": "2c45823c5aa394f7362daf06dc979abd042fc401beddc9f215c6a3eab89da36f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4842",
    "kind": "arxiv",
    "version": 1
  }
}