Pith Number

pith:FUCGHNQR

pith:2017:FUCGHNQRFJ5O6FZME5IVCWZYRT

not attested not anchored not stored refs pending

Safe and Nested Subgame Solving for Imperfect-Information Games

Noam Brown, Tuomas Sandholm

arxiv:1705.02955 v3 · 2017-05-08 · cs.AI · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUCGHNQRFJ5O6FZME5IVCWZYRT}

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	2026-05-18T00:30:22.200417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d0463b6112a7aef172c2751515b388ce43455cd4e06bb97dfe3d3beb8c9b2fb

Aliases

arxiv: 1705.02955 · arxiv_version: 1705.02955v3 · doi: 10.48550/arxiv.1705.02955 · pith_short_12: FUCGHNQRFJ5O · pith_short_16: FUCGHNQRFJ5O6FZM · pith_short_8: FUCGHNQR

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/FUCGHNQRFJ5O6FZME5IVCWZYRT \
  | 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: 2d0463b6112a7aef172c2751515b388ce43455cd4e06bb97dfe3d3beb8c9b2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897a17a8b99c74a497d17c6fb4281bbd88ee2d6fb668f4072b31137b37a1c19e",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-05-08T16:27:48Z",
    "title_canon_sha256": "20adcbff39f103ad8e74f48c694a20f857c417fc719a7174edc4dc6399fdd308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02955",
    "kind": "arxiv",
    "version": 3
  }
}