Pith Number

pith:2G2NWZAF

pith:2025:2G2NWZAFUYAEEMVBIYUED5YR2N

not attested not anchored not stored refs pending

Coalgebraic proof translations for non-wellfounded proofs

Borja Sierra Miranda, Lukas Zenger, Thomas Studer

arxiv:2506.01711 v1 · 2025-06-02 · 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{2G2NWZAFUYAEEMVBIYUED5YR2N}

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	2026-07-05T11:14:18.213599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b4db6405a6004232a1462841f711d3515a746643278dc446045747a9666067

Aliases

arxiv: 2506.01711 · arxiv_version: 2506.01711v1 · doi: 10.48550/arxiv.2506.01711 · pith_short_12: 2G2NWZAFUYAE · pith_short_16: 2G2NWZAFUYAEEMVB · pith_short_8: 2G2NWZAF

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/2G2NWZAFUYAEEMVBIYUED5YR2N \
  | 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: d1b4db6405a6004232a1462841f711d3515a746643278dc446045747a9666067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a29bb8c4c3c9067aec3af0567e588d16b3288db2a1424a4c3374ff6b3d1b90e9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2025-06-02T14:19:03Z",
    "title_canon_sha256": "99dbcd4798a6c7ed61b1d8cbaacde841a92ed62c98190c4ccc399456812c1cc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01711",
    "kind": "arxiv",
    "version": 1
  }
}