Pith Number

pith:G4WP4JHI

pith:2019:G4WP4JHICX76H4VG6GNKJ55AXS

not attested not anchored not stored refs pending

Agent-Based Adaptive Level Generation for Dynamic Difficulty Adjustment in Angry Birds

Jochen Renz, Matthew Stephenson

arxiv:1902.02518 v1 · 2019-02-07 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4WP4JHICX76H4VG6GNKJ55AXS}

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	2026-05-17T23:54:33.084670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

372cfe24e815ffe3f2a6f19aa4f7a0bca2c132e76c99aed23f482d671372d490

Aliases

arxiv: 1902.02518 · arxiv_version: 1902.02518v1 · doi: 10.48550/arxiv.1902.02518 · pith_short_12: G4WP4JHICX76 · pith_short_16: G4WP4JHICX76H4VG · pith_short_8: G4WP4JHI

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/G4WP4JHICX76H4VG6GNKJ55AXS \
  | 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: 372cfe24e815ffe3f2a6f19aa4f7a0bca2c132e76c99aed23f482d671372d490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750c606eb8932694b79524de30a5e57bf6e95bc01118979b9f77301ec665fb6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-02-07T08:36:34Z",
    "title_canon_sha256": "69ba5a25ba376df9349e2a4f3eace51737d26632eabda60dca659867a9eed2a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02518",
    "kind": "arxiv",
    "version": 1
  }
}