Pith Number

pith:JM56FZPX

pith:2014:JM56FZPXRR5WWFTBVMIOQMYCG4

not attested not anchored not stored refs pending

Mass problems and intuitionistic higher-order logic

Sankha S. Basu, Stephen G. Simpson

arxiv:1408.2763 v1 · 2014-08-12 · 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{JM56FZPXRR5WWFTBVMIOQMYCG4}

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	2026-05-18T02:45:21.919127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b3be2e5f78c7b6b1661ab10e8330237233ce96e31b0b90d0cc41610d713f16d

Aliases

arxiv: 1408.2763 · arxiv_version: 1408.2763v1 · doi: 10.48550/arxiv.1408.2763 · pith_short_12: JM56FZPXRR5W · pith_short_16: JM56FZPXRR5WWFTB · pith_short_8: JM56FZPX

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/JM56FZPXRR5WWFTBVMIOQMYCG4 \
  | 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: 4b3be2e5f78c7b6b1661ab10e8330237233ce96e31b0b90d0cc41610d713f16d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb6ec763e95b63d7e27b2d2dd3493249138ade39fed2c22f749f5db3b100630",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-12T16:08:41Z",
    "title_canon_sha256": "f039e40ba28dd2ea5e9442db3c7f257f75624f4a475e982d5320bd6371216bdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2763",
    "kind": "arxiv",
    "version": 1
  }
}