Pith Number

pith:4LGF7J6I

pith:2016:4LGF7J6I2OACUKIYKD3JF2POIY

not attested not anchored not stored refs pending

Mathematical Execution: A Unified Approach for Testing Numerical Code

Zhendong Su, Zhoulai Fu

arxiv:1610.01133 v1 · 2016-10-04 · cs.PL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LGF7J6I2OACUKIYKD3JF2POIY}

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	2026-05-18T01:03:12.367351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2cc5fa7c8d3802a291850f692e9ee463c90f597a627133bbcb16d6ca6005aaa

Aliases

arxiv: 1610.01133 · arxiv_version: 1610.01133v1 · doi: 10.48550/arxiv.1610.01133 · pith_short_12: 4LGF7J6I2OAC · pith_short_16: 4LGF7J6I2OACUKIY · pith_short_8: 4LGF7J6I

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/4LGF7J6I2OACUKIYKD3JF2POIY \
  | 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: e2cc5fa7c8d3802a291850f692e9ee463c90f597a627133bbcb16d6ca6005aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3fd4daa631ee57230e5af2c55438b0864104543f9e7d14ce58f0a2bdd02fe13",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-10-04T19:26:28Z",
    "title_canon_sha256": "b3b5d37eacb9ae8c3604d90bf9595004b238ecb6c2e76d4ad1a803cf7414541e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01133",
    "kind": "arxiv",
    "version": 1
  }
}