Pith Number

pith:EK37M2ST

pith:2013:EK37M2STW3HAJ6QO3IT5LI3PZU

not attested not anchored not stored refs pending

Bricks and urbanism in the Indus Valley rise and decline

Aurangzeb Khan, Carsten Lemmen

arxiv:1303.1426 v2 · 2013-02-27 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EK37M2STW3HAJ6QO3IT5LI3PZU}

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	2026-05-18T02:46:39.468579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b7f66a53b6ce04fa0eda27d5a36fcd3e77e47516fb20990151ea99cae2d421

Aliases

arxiv: 1303.1426 · arxiv_version: 1303.1426v2 · doi: 10.48550/arxiv.1303.1426 · pith_short_12: EK37M2STW3HA · pith_short_16: EK37M2STW3HAJ6QO · pith_short_8: EK37M2ST

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/EK37M2STW3HAJ6QO3IT5LI3PZU \
  | 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: 22b7f66a53b6ce04fa0eda27d5a36fcd3e77e47516fb20990151ea99cae2d421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e60d0f7905a054335c073fd2470767c35a16154fd84a61a7543f771e24d97bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-02-27T14:11:14Z",
    "title_canon_sha256": "e46bd4708a4e9342afdb3c0f5fb3104563ff02ca90a94f1c5b3f6dee9deda10f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1426",
    "kind": "arxiv",
    "version": 2
  }
}