Pith Number

pith:FQUOEWIM

pith:2012:FQUOEWIMP4QXXK74UJ3EKZYARQ

not attested not anchored not stored refs pending

The reawakening of the sleeping X-ray pulsar XTE J1946+274

Carlo Ferrigno, Felix F\"urst, Ingo Kreykenbohm, Isabel Caballero, J\"orn Wilms, Katja Pottschmidt, Macarena Sagredo, Maria Obst, Matthias K\"uhnel, Richard E. Rothschild, R\"udiger Staubert, Sebastian M\"uller

arxiv:1209.1918 v1 · 2012-09-10 · 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{FQUOEWIMP4QXXK74UJ3EKZYARQ}

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	2026-05-18T01:54:37.852856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c28e2590c7f217babfca2764567008c2891d1cd77864018d741138e942021de

Aliases

arxiv: 1209.1918 · arxiv_version: 1209.1918v1 · doi: 10.48550/arxiv.1209.1918 · pith_short_12: FQUOEWIMP4QX · pith_short_16: FQUOEWIMP4QXXK74 · pith_short_8: FQUOEWIM

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/FQUOEWIMP4QXXK74UJ3EKZYARQ \
  | 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: 2c28e2590c7f217babfca2764567008c2891d1cd77864018d741138e942021de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a13b4719a8088ef08e564168ac50df30d86a04f819bd9730763450d8c670abd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-09-10T09:35:59Z",
    "title_canon_sha256": "868c66e3aa3e26ed45f69cff6452c8e70f3524163a0d947c37d621531c7f05ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1918",
    "kind": "arxiv",
    "version": 1
  }
}