Pith Number

pith:GO5N2R7C

pith:2025:GO5N2R7C23UZBFMSZFUXF5N637

not attested not anchored not stored refs pending

Further remarks on fractional vs. expectation thresholds

Thomas Fischer, Yury Person

arxiv:2505.21782 v1 · 2025-05-27 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GO5N2R7C23UZBFMSZFUXF5N637}

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	2026-07-05T11:11:03.452365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33badd47e2d6e9909592c96972f5bedfda3cca71bc63fce756554dc76c9372d7

Aliases

arxiv: 2505.21782 · arxiv_version: 2505.21782v1 · doi: 10.48550/arxiv.2505.21782 · pith_short_12: GO5N2R7C23UZ · pith_short_16: GO5N2R7C23UZBFMS · pith_short_8: GO5N2R7C

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/GO5N2R7C23UZBFMSZFUXF5N637 \
  | 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: 33badd47e2d6e9909592c96972f5bedfda3cca71bc63fce756554dc76c9372d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7707ec08abaa6e1b6c2966df0513c62c5a682b27f2c782682b6fde3224fa4728",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-05-27T21:29:28Z",
    "title_canon_sha256": "1daeceb698685fdb2b8f763f3d6235c558b17048028963c194519dbfabb2615a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21782",
    "kind": "arxiv",
    "version": 1
  }
}