Pith Number

pith:AGZ6CB2S

pith:2009:AGZ6CB2SOV6FXAR4KPNP2RKLXC

not attested not anchored not stored refs pending

Relativistic models of magnetars: the twisted-torus magnetic field configuration

J.A. Pons, L. Gualtieri, R. Ciolfi, V. Ferrari

arxiv:0903.0556 v2 · 2009-03-03 · astro-ph.SR · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGZ6CB2SOV6FXAR4KPNP2RKLXC}

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	2026-05-18T04:37:22.710696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01b3e10752757c5b823c53dafd454bb889fbf911ae9a050da4d3c13cf8e08d76

Aliases

arxiv: 0903.0556 · arxiv_version: 0903.0556v2 · doi: 10.48550/arxiv.0903.0556 · pith_short_12: AGZ6CB2SOV6F · pith_short_16: AGZ6CB2SOV6FXAR4 · pith_short_8: AGZ6CB2S

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/AGZ6CB2SOV6FXAR4KPNP2RKLXC \
  | 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: 01b3e10752757c5b823c53dafd454bb889fbf911ae9a050da4d3c13cf8e08d76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "712de5963183926d85dd905ca9c9a90c72fcdf1ef24c60db5f24a1d4c7476c53",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-03T16:48:17Z",
    "title_canon_sha256": "a4bb99ef6b9e51821de7d8caa74cfa65098d4e8a3af39844c4986ca9f99ce33d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0556",
    "kind": "arxiv",
    "version": 2
  }
}