Pith Number

pith:6L7UJYJ5

pith:2018:6L7UJYJ5QB7PBGU2NZXMTDZQG2

not attested not anchored not stored refs pending

Controlling an Alien Predator Population by Regional Controls

Gabriel Dimitriu, Sebastian Ani\c{t}a, Vincenzo Capasso

arxiv:1801.08122 v1 · 2018-01-24 · 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{6L7UJYJ5QB7PBGU2NZXMTDZQG2}

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	2026-05-18T00:25:08.304928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2ff44e13d807ef09a9a6e6ec98f30369b5f1a976117307709bdc53c18472ba0

Aliases

arxiv: 1801.08122 · arxiv_version: 1801.08122v1 · doi: 10.48550/arxiv.1801.08122 · pith_short_12: 6L7UJYJ5QB7P · pith_short_16: 6L7UJYJ5QB7PBGU2 · pith_short_8: 6L7UJYJ5

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/6L7UJYJ5QB7PBGU2NZXMTDZQG2 \
  | 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: f2ff44e13d807ef09a9a6e6ec98f30369b5f1a976117307709bdc53c18472ba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80002e322f5847df8b3427976f48ba30e3b117ff0b8225b5e04fd6a3cfc7d7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-24T18:43:58Z",
    "title_canon_sha256": "7c54261809e024ff0b78b5ce2371aac5bd0e9afe5fa6947866dc9d02c3068c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08122",
    "kind": "arxiv",
    "version": 1
  }
}