Pith Number

pith:ISBAUBYV

pith:2013:ISBAUBYVMFFT2T6KBQ5ZEWSNT4

not attested not anchored not stored refs pending

Do radio magnetars J1550-5418 and J1622-4950 have gigahertz-peaked spectra?

G. Melikidze, J. Kijak, L. Tarczewski, W. Lewandowski

arxiv:1305.5346 v1 · 2013-05-23 · astro-ph.SR · 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{ISBAUBYVMFFT2T6KBQ5ZEWSNT4}

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	2026-05-18T01:49:47.412889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44820a0715614b3d4fca0c3b925a4d9f130a90adb841b57812680e10ccd8d108

Aliases

arxiv: 1305.5346 · arxiv_version: 1305.5346v1 · doi: 10.48550/arxiv.1305.5346 · pith_short_12: ISBAUBYVMFFT · pith_short_16: ISBAUBYVMFFT2T6K · pith_short_8: ISBAUBYV

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/ISBAUBYVMFFT2T6KBQ5ZEWSNT4 \
  | 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: 44820a0715614b3d4fca0c3b925a4d9f130a90adb841b57812680e10ccd8d108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34391e08495904b1960dc248ee2b7e6fecf92243e4e45fb97478ec3189d604f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-23T08:48:17Z",
    "title_canon_sha256": "dcde662b90b36e4f95932fedb8964df4b84ae157b530abc3c323a1adbf9492e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5346",
    "kind": "arxiv",
    "version": 1
  }
}