Pith Number

pith:5QYL72DS

pith:2009:5QYL72DSCM6XBLGGI5I5ZKSVY7

not attested not anchored not stored refs pending

The first outburst of the new magnetar candidate SGR 0501+4516

Andrea Tiengo, Christoph Winkler, Diego Gotz, Federico Bernardini, GianLuca Israel, Kevin Hurley, Luigi Stella, Marco Feroci, Martin Still, Michiel van der Klis, Nanda Rea, Paolo Esposito, Peter M. Woods, Pietro Ubertini, Roberto Turolla, Rosalba Perna, Sandro Mereghetti, Sergio Campana, Silvia Zane, Vladimir Yershov

arxiv:0904.2413 v1 · 2009-04-16 · 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{5QYL72DSCM6XBLGGI5I5ZKSVY7}

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	2026-05-18T02:13:59.985083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec30bfe872133d70acc64751dcaa55c7f0d70deb8804fe4e1a6c0fba3151d169

Aliases

arxiv: 0904.2413 · arxiv_version: 0904.2413v1 · doi: 10.48550/arxiv.0904.2413 · pith_short_12: 5QYL72DSCM6X · pith_short_16: 5QYL72DSCM6XBLGG · pith_short_8: 5QYL72DS

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/5QYL72DSCM6XBLGGI5I5ZKSVY7 \
  | 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: ec30bfe872133d70acc64751dcaa55c7f0d70deb8804fe4e1a6c0fba3151d169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f69720b57e1e1859a55abce6a6e9996443f366ec6ec53c4ce3d29c8636bab53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-16T09:04:03Z",
    "title_canon_sha256": "cf956dd6adb02c16bd10ab52c2ca9412c41bf6c01f6c55107989e322f1b82ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2413",
    "kind": "arxiv",
    "version": 1
  }
}