Pith Number

pith:I5GDRYZB

pith:2015:I5GDRYZBC5H42T23QBVGFRBSYY

not attested not anchored not stored refs pending

Quiz Games as a model for Information Hiding

Andres Rojas Paredes, Bernd Bank, Guillermo Matera, Joos Heintz, Jose L. Montana, Luis M. Pardo

arxiv:1508.07842 v2 · 2015-08-31 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5GDRYZBC5H42T23QBVGFRBSYY}

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	2026-05-18T01:24:10.621526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

474c38e321174fcd4f5b806a62c432c62e4821b0596e43afded368e5d34ab57d

Aliases

arxiv: 1508.07842 · arxiv_version: 1508.07842v2 · doi: 10.48550/arxiv.1508.07842 · pith_short_12: I5GDRYZBC5H4 · pith_short_16: I5GDRYZBC5H42T23 · pith_short_8: I5GDRYZB

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/I5GDRYZBC5H42T23QBVGFRBSYY \
  | 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: 474c38e321174fcd4f5b806a62c432c62e4821b0596e43afded368e5d34ab57d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10ea7705e75968848eba2cbf1e4698b630f785287d4ffb54e6c890c36eaa324f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-08-31T14:20:18Z",
    "title_canon_sha256": "ba3fb89d04f668cfc22e12a84064c2b1030c0b2d1ae1f1da0dd0de0547863b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07842",
    "kind": "arxiv",
    "version": 2
  }
}