Pith Number

pith:R72SJLXD

pith:2011:R72SJLXD35YP4JGNPL4V6PRR2F

not attested not anchored not stored refs pending

High-energy emission from NGC 5506, the brightest hard X-ray Narrow Line Seyfert 1 galaxy

(2) Francois Arago Centre, (3) NASA/GSFC, (4) Nicolaus Copernicus Astronomical Center), APC, N. Gehrels (3), P. Lubinski (4) ((1) CNRS-CEA/Saclay, S. De Jong (2), S. Soldi (1), V. Beckmann (2)

arxiv:1105.5993 v1 · 2011-05-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R72SJLXD35YP4JGNPL4V6PRR2F}

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	2026-05-18T04:21:01.131809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ff524aee3df70fe24cd7af95f3e31d17fe3b83066098550aa06c4b1d3311d8b

Aliases

arxiv: 1105.5993 · arxiv_version: 1105.5993v1 · doi: 10.48550/arxiv.1105.5993 · pith_short_12: R72SJLXD35YP · pith_short_16: R72SJLXD35YP4JGN · pith_short_8: R72SJLXD

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/R72SJLXD35YP4JGNPL4V6PRR2F \
  | 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: 8ff524aee3df70fe24cd7af95f3e31d17fe3b83066098550aa06c4b1d3311d8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05d88421bcb276b4abf70286f9dddd8d1411f5de392a62c2c4110455b1c7a0a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-30T13:34:42Z",
    "title_canon_sha256": "96ce5bc5b138da1387828ec8cd7487848f1753f518dd34d9f25d2346f12349f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5993",
    "kind": "arxiv",
    "version": 1
  }
}