Pith Number

pith:XPFS4FKY

pith:2015:XPFS4FKYLMRHW5PYBRVQ7Z62D3

not attested not anchored not stored refs pending

Study of the X-ray emission mechanism of radio-loud narrow-line Seyfert 1 galaxy

H. Shirakawa, K. Kawaguchi, R. Itoh, Y. Fukazawa, Y. Tanaka

arxiv:1503.03203 v1 · 2015-03-11 · 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{XPFS4FKYLMRHW5PYBRVQ7Z62D3}

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	2026-05-18T02:25:04.115474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbcb2e15585b227b75f80c6b0fe7da1ee3bebad0c3e5b00c91279e8a24ecde7d

Aliases

arxiv: 1503.03203 · arxiv_version: 1503.03203v1 · doi: 10.48550/arxiv.1503.03203 · pith_short_12: XPFS4FKYLMRH · pith_short_16: XPFS4FKYLMRHW5PY · pith_short_8: XPFS4FKY

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/XPFS4FKYLMRHW5PYBRVQ7Z62D3 \
  | 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: bbcb2e15585b227b75f80c6b0fe7da1ee3bebad0c3e5b00c91279e8a24ecde7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6e398bdc1f2cc08acb6f3938959af5a6299fbceb2bbfa2675c39a8108f3c6a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-11T07:53:23Z",
    "title_canon_sha256": "16d951ad3d327aed64882edf5c2d379f173191603a275a11c2a5e75c2724b400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03203",
    "kind": "arxiv",
    "version": 1
  }
}