Pith Number

pith:CWZIFVNB

pith:2019:CWZIFVNBMZANYWHOI5PLAENIXG

not attested not anchored not stored refs pending

The multi-outburst activity of the magnetar in Westerlund I

A. Borghese, A. Tiengo, D. Gotz, E. Bozzo, F. Coti Zelati, F. Pintore, G. L. Israel, G. Rodriguez, J. A. Pons, L. Stella, M. Bachetti, N. Rea, P. Esposito, R. Perna, R. P. Mignani, R. Turolla, S. Campana, S. Mereghetti, S. Zane, V. Savchenko

arxiv:1901.02026 v1 · 2019-01-07 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWZIFVNBMZANYWHOI5PLAENIXG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:55:53.030809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b282d5a16640dc58ee475eb011a8b98a5a3c0b1768d5deac2c86e62d43ac0d

Aliases

arxiv: 1901.02026 · arxiv_version: 1901.02026v1 · doi: 10.48550/arxiv.1901.02026 · pith_short_12: CWZIFVNBMZAN · pith_short_16: CWZIFVNBMZANYWHO · pith_short_8: CWZIFVNB

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/CWZIFVNBMZANYWHOI5PLAENIXG \
  | 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: 15b282d5a16640dc58ee475eb011a8b98a5a3c0b1768d5deac2c86e62d43ac0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aac7135e883446f05ec3de9e89f7c9e734e94e35cbb4a82286b73ad813b56a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-07T19:00:16Z",
    "title_canon_sha256": "679ec5c41206e53693b320946e4ca1e28c40ff8917c10e837953e97721aa3fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02026",
    "kind": "arxiv",
    "version": 1
  }
}