Pith Number

pith:7NJYD4U3

pith:2017:7NJYD4U3ZEL2FBOGRER5DZHNTF

not attested not anchored not stored refs pending

The transitional millisecond pulsar IGR J18245-2452 during its 2013 outburst at X-rays and soft gamma-rays

C. Ferrigno, E. Bozzo, J. Poutanen, L. Kuiper, L. Stella, M. Falanga, V. De Falco

arxiv:1704.04181 v3 · 2017-04-13 · 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{7NJYD4U3ZEL2FBOGRER5DZHNTF}

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	2026-05-18T00:40:06.275920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5381f29bc917a285c68923d1e4ed9978c491df0f40da741fabd30267bb60da

Aliases

arxiv: 1704.04181 · arxiv_version: 1704.04181v3 · doi: 10.48550/arxiv.1704.04181 · pith_short_12: 7NJYD4U3ZEL2 · pith_short_16: 7NJYD4U3ZEL2FBOG · pith_short_8: 7NJYD4U3

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/7NJYD4U3ZEL2FBOGRER5DZHNTF \
  | 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: fb5381f29bc917a285c68923d1e4ed9978c491df0f40da741fabd30267bb60da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcaf36cef56537ccea3b96c3158cb913ac45df90b973bdc887efbdad7065c9d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-04-13T15:45:40Z",
    "title_canon_sha256": "769fb3d30799553ff0c71f1058ea35159938d62e0e063240f3576445627f4873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04181",
    "kind": "arxiv",
    "version": 3
  }
}