Pith Number

pith:XAMWOQL3

pith:2011:XAMWOQL3O23FZBLBL5WAB7KFYN

not attested not anchored not stored refs pending

SGR 0418+5729 - How does a Young Neutron Star Spin Down to a 9 s Period with a Dipole Field less than 10^13 G?

M.A. Alpar, S. Caliskan, U. Ertan

arxiv:1102.1336 v2 · 2011-02-07 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAMWOQL3O23FZBLBL5WAB7KFYN}

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	2026-05-18T02:03:15.874337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b81967417b76b65c85615f6c00fd45c36ede3e8b174c57212d9df255ace7ff69

Aliases

arxiv: 1102.1336 · arxiv_version: 1102.1336v2 · doi: 10.48550/arxiv.1102.1336 · pith_short_12: XAMWOQL3O23F · pith_short_16: XAMWOQL3O23FZBLB · pith_short_8: XAMWOQL3

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/XAMWOQL3O23FZBLBL5WAB7KFYN \
  | 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: b81967417b76b65c85615f6c00fd45c36ede3e8b174c57212d9df255ace7ff69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db75d6127fb56946043440e9bc963888db379555e82920ec2cc7d270ba4f248",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-02-07T15:38:03Z",
    "title_canon_sha256": "facdb57a7963a04f2e7780f97128c613f597854f3469055ecedcf2ef1a5f37d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1336",
    "kind": "arxiv",
    "version": 2
  }
}