Pith Number

pith:QGMXNO3A

pith:2013:QGMXNO3AOSJKBD56K3W7HPRZDF

not attested not anchored not stored refs pending

Mathematics Hidden Behind the Two Coefficients of Babylonian Mathematics

Kazuo Muroi

arxiv:1305.0865 v1 · 2013-05-04 · 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{QGMXNO3AOSJKBD56K3W7HPRZDF}

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	2026-05-18T03:26:31.466208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

819976bb607492a08fbe56edf3be39194c2f2451e9ad28d0de2cf4857ed60905

Aliases

arxiv: 1305.0865 · arxiv_version: 1305.0865v1 · doi: 10.48550/arxiv.1305.0865 · pith_short_12: QGMXNO3AOSJK · pith_short_16: QGMXNO3AOSJKBD56 · pith_short_8: QGMXNO3A

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/QGMXNO3AOSJKBD56K3W7HPRZDF \
  | 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: 819976bb607492a08fbe56edf3be39194c2f2451e9ad28d0de2cf4857ed60905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df1d5f4469f98f09bc8aad110733cf74b88904074b82b0e5cf71c8b614bd433",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-05-04T01:44:29Z",
    "title_canon_sha256": "b89ee093ee8f5d5d97563fe00710f65c4df889bfc9786f103022fa9dae880e77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0865",
    "kind": "arxiv",
    "version": 1
  }
}