Pith Number

pith:FWY5IJZZ

pith:2012:FWY5IJZZ3IL77RUEY2NC53EOOC

not attested not anchored not stored refs pending

Simply Explicitly Invertible Approximations to 4 Decimals of Error Function and Normal Cumulative Distribution Function

A. Soranzo, E. Epure

arxiv:1201.1320 v1 · 2012-01-05 · stat.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{FWY5IJZZ3IL77RUEY2NC53EOOC}

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	2026-05-18T04:05:04.923570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2db1d42739da17ffc684c69a2eec8e70bf895226dbf1d0797d99a7d52f528761

Aliases

arxiv: 1201.1320 · arxiv_version: 1201.1320v1 · doi: 10.48550/arxiv.1201.1320 · pith_short_12: FWY5IJZZ3IL7 · pith_short_16: FWY5IJZZ3IL77RUE · pith_short_8: FWY5IJZZ

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/FWY5IJZZ3IL77RUEY2NC53EOOC \
  | 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: 2db1d42739da17ffc684c69a2eec8e70bf895226dbf1d0797d99a7d52f528761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbbcceaeb407cfa33c889dbb8302cfd59db9c6845e48af06198c7a9a8d68ab05",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2012-01-05T22:43:16Z",
    "title_canon_sha256": "617afb9b15ff7d20a342d3e9c450bda02f0aa71ee2cb2694bd7cb584282e0957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1320",
    "kind": "arxiv",
    "version": 1
  }
}