Pith Number

pith:KYQZNZA3

pith:2018:KYQZNZA3HTJRT3TAEFNFNGATAP

not attested not anchored not stored refs pending

Optimal control of resources for species survival

Gr\'egoire Nadin, Idriss Mazari, Yannick Privat (IRMA)

arxiv:1807.09012 v1 · 2018-07-24 · math.AP · 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{KYQZNZA3HTJRT3TAEFNFNGATAP}

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	2026-05-18T00:09:57.040401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

562196e41b3cd319ee60215a56981303de2d3ba1ad9677d4c23c1e01b912fa99

Aliases

arxiv: 1807.09012 · arxiv_version: 1807.09012v1 · doi: 10.48550/arxiv.1807.09012 · pith_short_12: KYQZNZA3HTJR · pith_short_16: KYQZNZA3HTJRT3TA · pith_short_8: KYQZNZA3

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/KYQZNZA3HTJRT3TAEFNFNGATAP \
  | 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: 562196e41b3cd319ee60215a56981303de2d3ba1ad9677d4c23c1e01b912fa99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5a99c459a772688b7cb8125eb3fcdaa031aec924a58c04ee8d7146d9dd93d3d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-24T10:16:04Z",
    "title_canon_sha256": "453e9fdb0f6b6839b8d09d8d3ac46c1439c2096f582878ff06b19d4055fa4e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09012",
    "kind": "arxiv",
    "version": 1
  }
}