Pith Number

pith:IUOQI7MW

pith:2012:IUOQI7MWTDJ2CYORYAGAJORRMB

not attested not anchored not stored refs pending

Two Sumerian Words of Fractions in Babylonian Mathematics: igi-n-g\'al and igi-te-en

Kazuo Muroi

arxiv:1207.2170 v1 · 2012-07-09 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUOQI7MWTDJ2CYORYAGAJORRMB}

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	2026-05-18T03:51:24.811242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451d047d9698d3a161d1c00c04ba31605ea6b825c0d643a50831f31d2e1b5638

Aliases

arxiv: 1207.2170 · arxiv_version: 1207.2170v1 · doi: 10.48550/arxiv.1207.2170 · pith_short_12: IUOQI7MWTDJ2 · pith_short_16: IUOQI7MWTDJ2CYOR · pith_short_8: IUOQI7MW

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/IUOQI7MWTDJ2CYORYAGAJORRMB \
  | 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: 451d047d9698d3a161d1c00c04ba31605ea6b825c0d643a50831f31d2e1b5638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07762a4ff8c63ccb2419fd7f84352f7b206eaef4d576d28352119020e7ee0a23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2012-07-09T20:31:11Z",
    "title_canon_sha256": "fce3e3fbdb9e9a52d7913faafd2a3845df54d76a790730edcd77b14019b9da60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2170",
    "kind": "arxiv",
    "version": 1
  }
}