Pith Number

pith:4UJGEQYZ

pith:2013:4UJGEQYZJPSFQ7EWQUQFHGLUP6

not attested not anchored not stored refs pending

Timing and spectral study of the Be XRB IGR J11305-6256: Swift discovers the orbital period and a soft X-ray excess

A. D'A\`i (UNIPA), A. Melandri (INAF- OAB), A. Segreto (INAF-IASF Pa), G. Cusumano (INAF-IASF Pa), N. Masetti (INAF-IASF Bo), V. La Parola (INAF-IASFPalermo)

arxiv:1305.3916 v1 · 2013-05-16 · 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{4UJGEQYZJPSFQ7EWQUQFHGLUP6}

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	2026-05-18T03:25:26.813604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5126243194be4587c9685205399747fbdba615464f43bafeea6713019e7311d

Aliases

arxiv: 1305.3916 · arxiv_version: 1305.3916v1 · doi: 10.48550/arxiv.1305.3916 · pith_short_12: 4UJGEQYZJPSF · pith_short_16: 4UJGEQYZJPSFQ7EW · pith_short_8: 4UJGEQYZ

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/4UJGEQYZJPSFQ7EWQUQFHGLUP6 \
  | 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: e5126243194be4587c9685205399747fbdba615464f43bafeea6713019e7311d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "130394999a4ecd2e3578e88b2a531069206fd73717a3bd1b8737227d6662afd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-16T20:00:02Z",
    "title_canon_sha256": "62171ba7d4e15829327e8dec6157f339a590544c1894f5c43a817bed8609f17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3916",
    "kind": "arxiv",
    "version": 1
  }
}