Pith Number

pith:UMT3QODC

pith:2014:UMT3QODCJTKIPK2XOXG7EOGJJB

not attested not anchored not stored refs pending

The Study of Two-dimensional Polytropic Stars

Sanchari De, Somenath Chakrabarty

arxiv:1405.5175 v2 · 2014-04-28 · physics.gen-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{UMT3QODCJTKIPK2XOXG7EOGJJB}

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	2026-05-18T01:30:43.393119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a327b838624cd487ab5775cdf238c94840b6b50954df3a6210245ea2a84c3263

Aliases

arxiv: 1405.5175 · arxiv_version: 1405.5175v2 · doi: 10.48550/arxiv.1405.5175 · pith_short_12: UMT3QODCJTKI · pith_short_16: UMT3QODCJTKIPK2X · pith_short_8: UMT3QODC

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/UMT3QODCJTKIPK2XOXG7EOGJJB \
  | 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: a327b838624cd487ab5775cdf238c94840b6b50954df3a6210245ea2a84c3263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa5216909159988b01ae8743d12bd93e6a5283333171cd10e52710c45e76dfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2014-04-28T06:42:11Z",
    "title_canon_sha256": "e9afca258a83aab409a5e3d31d5f6c89e23d49e491efb9395a010f54b57cacb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5175",
    "kind": "arxiv",
    "version": 2
  }
}