Pith Number

pith:2Y2O7GZV

pith:2025:2Y2O7GZVEEEF4XMLS5MV6YWGLZ

not attested not anchored not stored refs pending

The Proof Analysis Problem

Albert Atserias, Erfan Khaniki, Noel Arteche, Susanna F. de Rezende

arxiv:2506.16956 v2 · 2025-06-20 · cs.CC · cs.LO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Y2O7GZVEEEF4XMLS5MV6YWGLZ}

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	2026-05-20T01:04:55.237114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d634ef9b3521085e5d8b97595f62c65e5d5eb9c048215f049a64f5568bd20d24

Aliases

arxiv: 2506.16956 · arxiv_version: 2506.16956v2 · doi: 10.48550/arxiv.2506.16956 · pith_short_12: 2Y2O7GZVEEEF · pith_short_16: 2Y2O7GZVEEEF4XML · pith_short_8: 2Y2O7GZV

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/2Y2O7GZVEEEF4XMLS5MV6YWGLZ \
  | 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: d634ef9b3521085e5d8b97595f62c65e5d5eb9c048215f049a64f5568bd20d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f795301d7477c873ecf88aa69ebb7f560295743421b4110f8b0dbcec1c0909bd",
    "cross_cats_sorted": [
      "cs.LO",
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2025-06-20T12:44:03Z",
    "title_canon_sha256": "3f7b0380b317d13262df867bb01f891eb14faba821df6ab33def5b84744d93bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.16956",
    "kind": "arxiv",
    "version": 2
  }
}