Pith Number

pith:7K5NVYQW

pith:2017:7K5NVYQWHT6PLXXUJ2CEPGRHIL

not attested not anchored not stored refs pending

A parametric model to study the mass radius relationship of stars

Safiqul Islam, Satadal Datta, Tapas K Das

arxiv:1702.05171 v1 · 2017-02-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7K5NVYQWHT6PLXXUJ2CEPGRHIL}

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	2026-05-18T00:50:34.619375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fabadae2163cfcf5def44e84479a2742eca4b82cf40f46b6be8ea7f8ae25c791

Aliases

arxiv: 1702.05171 · arxiv_version: 1702.05171v1 · doi: 10.48550/arxiv.1702.05171 · pith_short_12: 7K5NVYQWHT6P · pith_short_16: 7K5NVYQWHT6PLXXU · pith_short_8: 7K5NVYQW

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/7K5NVYQWHT6PLXXUJ2CEPGRHIL \
  | 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: fabadae2163cfcf5def44e84479a2742eca4b82cf40f46b6be8ea7f8ae25c791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8ecfbff7bf5644e8cba1e8ed19be96396731f28407b258ec660376dbf3e6d52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-16T22:06:06Z",
    "title_canon_sha256": "2018e7ac0d6da1cc2e9609d78abb463c7bd5796c6f8a0cc3858a4af2f5ada773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05171",
    "kind": "arxiv",
    "version": 1
  }
}