pith. sign in
Pith Number

pith:MZX3TTVW

pith:2012:MZX3TTVWAAPVEFJBWA2ALNHZNJ
not attested not anchored not stored refs pending

Spin period evolution of the X-ray pulsar GX 1+4

A. Gonz\'alez-Gal\'an, A. Kochetkova, E. Kuulkers, K. Postnov, M. H. Finger, P. Kretschmar, S. Larsson

arxiv:1201.1744 v1 · 2012-01-09 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MZX3TTVWAAPVEFJBWA2ALNHZNJ}

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 2026-05-18T04:04:55.820190Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

666fb9ceb6001f521521b03405b4f96a531ad52a57fec1fdbd9891f419f6a057

Aliases

arxiv: 1201.1744 · arxiv_version: 1201.1744v1 · doi: 10.48550/arxiv.1201.1744 · pith_short_12: MZX3TTVWAAPV · pith_short_16: MZX3TTVWAAPVEFJB · pith_short_8: MZX3TTVW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MZX3TTVWAAPVEFJBWA2ALNHZNJ \
  | 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: 666fb9ceb6001f521521b03405b4f96a531ad52a57fec1fdbd9891f419f6a057
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b2aa982f6312fe907b2986d15b6d60c1526b13723bf94bab28cf2dd415c54313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-09T12:25:19Z",
    "title_canon_sha256": "1da9d1a29203d22dbf5cc4c73c49246f1797b1a4606aa250cb6bbdda9dc3fbb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1744",
    "kind": "arxiv",
    "version": 1
  }
}