Pith Number

pith:FJGUYZD2

pith:2011:FJGUYZD2LZ6B7J34C7ZQFTLN5A

not attested not anchored not stored refs pending

In Square Circle: Geometric Knowledge of the Indus Civilization

Mayank N. Vahia, Nisha Yadav, Sitabhra Sinha

arxiv:1112.6232 v1 · 2011-12-29 · 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{FJGUYZD2LZ6B7J34C7ZQFTLN5A}

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	2026-05-18T04:04:32.849609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a4d4c647a5e7c1fa77c17f302cd6de80aa792b8f9dca957617f581c594b01e6

Aliases

arxiv: 1112.6232 · arxiv_version: 1112.6232v1 · doi: 10.48550/arxiv.1112.6232 · pith_short_12: FJGUYZD2LZ6B · pith_short_16: FJGUYZD2LZ6B7J34 · pith_short_8: FJGUYZD2

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/FJGUYZD2LZ6B7J34C7ZQFTLN5A \
  | 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: 2a4d4c647a5e7c1fa77c17f302cd6de80aa792b8f9dca957617f581c594b01e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38586e65441b3988d93f90fa47cff982dbe5b15c11331163d80850d8c9118c0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2011-12-29T06:02:40Z",
    "title_canon_sha256": "2777ce23bdfdb4b488c001906d1b158efed1ac105b44f941c3d49b9516e6ca09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6232",
    "kind": "arxiv",
    "version": 1
  }
}