Pith Number

pith:MLNUJV7X

pith:2014:MLNUJV7X7DP225YM6KA5KICDEY

not attested not anchored not stored refs pending

A Variable Polytrope Index Applied to Planet and Material Models

A. K. Zielinski, J. P. McKelvey, K. D. Thielen, S. P. Weppner

arxiv:1409.5525 v2 · 2014-09-19 · astro-ph.EP · astro-ph.SR · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLNUJV7X7DP225YM6KA5KICDEY}

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	2026-05-18T01:35:51.877000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62db44d7f7f8dfad770cf281d52043263ec0e60945e7e5eca8984412804385e3

Aliases

arxiv: 1409.5525 · arxiv_version: 1409.5525v2 · doi: 10.48550/arxiv.1409.5525 · pith_short_12: MLNUJV7X7DP2 · pith_short_16: MLNUJV7X7DP225YM · pith_short_8: MLNUJV7X

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/MLNUJV7X7DP225YM6KA5KICDEY \
  | 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: 62db44d7f7f8dfad770cf281d52043263ec0e60945e7e5eca8984412804385e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c47c8c26ef3a7fa41053e522b8978691bb27f877810ed46863b0c910fc63e80",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-09-19T06:06:43Z",
    "title_canon_sha256": "cabaf627e41a3789ee5fb112aa925e8c9a7b466167c1dbdabd0f02725c111a26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5525",
    "kind": "arxiv",
    "version": 2
  }
}