Pith Number

pith:SLEMGPYO

pith:2010:SLEMGPYOTYLR53AWQD6BL6AMJE

not attested not anchored not stored refs pending

X-ray spectral properties of Seyfert galaxies and the unification scheme

2), (2) Department of Physics, (3) INAF-Osservatorio di Arcetri, 4) ((1) Indian Institute of Astrophysics, (4) Harvard-Smithsonian Center for Astrophysics, Bangalore, Cambridge, Firenze, Guido Risaliti (3, India, Italy, MA), Prajval Shastri (1), University of Calicut, Veeresh Singh (1

arxiv:1101.0252 v3 · 2010-12-31 · astro-ph.HE · 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{SLEMGPYOTYLR53AWQD6BL6AMJE}

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	2026-05-18T02:23:05.899200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92c8c33f0e9e171eec1680fc15f80c4918478b9beee05930355e9f08b457e3b9

Aliases

arxiv: 1101.0252 · arxiv_version: 1101.0252v3 · doi: 10.48550/arxiv.1101.0252 · pith_short_12: SLEMGPYOTYLR · pith_short_16: SLEMGPYOTYLR53AW · pith_short_8: SLEMGPYO

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/SLEMGPYOTYLR53AWQD6BL6AMJE \
  | 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: 92c8c33f0e9e171eec1680fc15f80c4918478b9beee05930355e9f08b457e3b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f276947959d3e2e6163dbeef1a7eea1361c233e891c3a5dcc371c41eb83ee7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-12-31T13:12:11Z",
    "title_canon_sha256": "35bdf3fa70cad8bf4c3253386d9a5dd0a9db42d0b74bbada60e2533d00f5ecde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0252",
    "kind": "arxiv",
    "version": 3
  }
}