Pith Number

pith:ZYD44LDV

pith:2015:ZYD44LDVQQ4TSLKUMFRIBCYQGY

not attested not anchored not stored refs pending

Anisotropic models for compact stars

Baiju Dayanandan, Saibal Ray, S.K. Maurya, Y.K. Gupta

arxiv:1504.00209 v2 · 2015-03-31 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZYD44LDVQQ4TSLKUMFRIBCYQGY}

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	2026-05-18T01:59:57.558390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce07ce2c758439392d546162808b10363a2fa1c848650be0feefdcd919706b93

Aliases

arxiv: 1504.00209 · arxiv_version: 1504.00209v2 · doi: 10.48550/arxiv.1504.00209 · pith_short_12: ZYD44LDVQQ4T · pith_short_16: ZYD44LDVQQ4TSLKU · pith_short_8: ZYD44LDV

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/ZYD44LDVQQ4TSLKUMFRIBCYQGY \
  | 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: ce07ce2c758439392d546162808b10363a2fa1c848650be0feefdcd919706b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02086aba46835de912db81590e99c0613100dc90636b34242d828d78a3c834ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-31T06:01:02Z",
    "title_canon_sha256": "75997166aaf5359bb9e193357e24d3f10abd772bc86e06c21a4d0c271d9394d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00209",
    "kind": "arxiv",
    "version": 2
  }
}