Pith Number

pith:H2XNW6M3

pith:2009:H2XNW6M3MYHPOENLGYJA5RWAGC

not attested not anchored not stored refs pending

Discovery of a new Soft Gamma Repeater: SGR J0418+5729

A.J. van der Horst, A.L. Watts, A. Pe'er, A. von Kienlin, C.A. Meegan, C.A. Wilson-Hodge, C. Kouveliotou, C.R. Gelino, D.D. Frederiks, D.M. Gelino, D.M. Palmer, D. Svinkin, E. Gogus, E.P. Mazets, E. Ramirez-Ruiz, H.A. Krimm, J.E. McEnery, J. Granot, J.R. Cummings, K. Hurley, M.H. Finger, M.S. Briggs, M. van der Klis, M.V. Ulanov, N. Gehrels, P.M. Woods, P.P. Oleynik, R.L. Aptekar, S.D. Barthelmy, S. Golenetskii, S. Wachter, V. Connaughton, V.D. Pal'shin, Y. Kaneko

arxiv:0911.5544 v2 · 2009-11-30 · 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{H2XNW6M3MYHPOENLGYJA5RWAGC}

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.

Cited by

1 paper in Pith

A Log-Uniform Initial Magnetic Field Distribution Explains Pulsar and Magnetar Populations through Magnetic Inclination Alignment

Receipt and verification

First computed	2026-05-18T02:10:35.810779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eaedb799b660ef711ab36120ec6c0308c30e1530bfc41bbface95e8e83bbf66

Aliases

arxiv: 0911.5544 · arxiv_version: 0911.5544v2 · doi: 10.48550/arxiv.0911.5544 · pith_short_12: H2XNW6M3MYHP · pith_short_16: H2XNW6M3MYHPOENL · pith_short_8: H2XNW6M3

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/H2XNW6M3MYHPOENLGYJA5RWAGC \
  | 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: 3eaedb799b660ef711ab36120ec6c0308c30e1530bfc41bbface95e8e83bbf66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20f88f1f7002db4a08328f549a82ff64e4f6035a439615d35053d68ab5376aed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-30T05:28:15Z",
    "title_canon_sha256": "1572c2c95a3d7c5a592608cfe4540b84df11e587ac7b6785bf5242cee48ba82d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5544",
    "kind": "arxiv",
    "version": 2
  }
}