Pith Number

pith:63VAI2HF

pith:2015:63VAI2HFNJMMUKCG7VXGHEVTLS

not attested not anchored not stored refs pending

Determination of parameters of long-term variability of the X-ray pulsar LMC X-4

A. Lutovinov, M. Falanga, S. Molkov

arxiv:1509.06739 v1 · 2015-09-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63VAI2HFNJMMUKCG7VXGHEVTLS}

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	2026-05-18T01:27:57.176113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6ea0468e56a58ca2846fd6e6392b35caf1f0119d3be2d7ffc1f4cb509b18853

Aliases

arxiv: 1509.06739 · arxiv_version: 1509.06739v1 · doi: 10.48550/arxiv.1509.06739 · pith_short_12: 63VAI2HFNJMM · pith_short_16: 63VAI2HFNJMMUKCG · pith_short_8: 63VAI2HF

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/63VAI2HFNJMMUKCG7VXGHEVTLS \
  | 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: f6ea0468e56a58ca2846fd6e6392b35caf1f0119d3be2d7ffc1f4cb509b18853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "290359875a12bf15455db0ae3a0d6cb003750ed01f49a3ad0035ad71f6d0e5e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-22T19:30:11Z",
    "title_canon_sha256": "4bfd7d64e17befcac652d3ff8c6559db56ddc8d2ad9b55db10c2e65e793ff743"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06739",
    "kind": "arxiv",
    "version": 1
  }
}