Pith Number

pith:BTKH4DBF

pith:2014:BTKH4DBFSTPACYEPVMUSQLTOPJ

not attested not anchored not stored refs pending

Analytical model of strange star in the low-mass X-ray binary 4U 1820-30

Farook Rahaman, Md. Abdul Kayum Jafry, Mehedi Kalam, Sajahan Molla, Sk. Monowar Hossein

arxiv:1401.0835 v2 · 2014-01-04 · 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{BTKH4DBFSTPACYEPVMUSQLTOPJ}

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	2026-05-18T01:45:34.018121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd47e0c2594de01608fab29282e6e7a70945ff4a1b1d1b8db73d562adbb7d36

Aliases

arxiv: 1401.0835 · arxiv_version: 1401.0835v2 · doi: 10.48550/arxiv.1401.0835 · pith_short_12: BTKH4DBFSTPA · pith_short_16: BTKH4DBFSTPACYEP · pith_short_8: BTKH4DBF

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/BTKH4DBFSTPACYEPVMUSQLTOPJ \
  | 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: 0cd47e0c2594de01608fab29282e6e7a70945ff4a1b1d1b8db73d562adbb7d36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f8f6b4248e7c598ba7a145e1d943ed0d29561388a035f7e92cafdeb68548670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-01-04T18:30:39Z",
    "title_canon_sha256": "12ed3204a6bcce298b82e5b2bc55d9a83aab89d5375665c364b584e9be735b70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0835",
    "kind": "arxiv",
    "version": 2
  }
}