Pith Number

pith:76PPL2IV

pith:2011:76PPL2IVQWF44KLXBDQDMXP6NV

not attested not anchored not stored refs pending

Warm Absorber Energetics in Broad Line Radio Galaxies

(2) SRON, (3) University of Bologna), E. Costantini (2), E. Torresi (1), G.G.C. Palumbo (3) ((1) INAF/IASF-Bologna, P. Grandi (1), Utrecht

arxiv:1108.4890 v1 · 2011-08-24 · 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{76PPL2IVQWF44KLXBDQDMXP6NV}

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	2026-05-18T02:00:48.610507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff9ef5e915858bce297708e0365dfe6d605f602e711a747e8c3d96c72d03fbcd

Aliases

arxiv: 1108.4890 · arxiv_version: 1108.4890v1 · doi: 10.48550/arxiv.1108.4890 · pith_short_12: 76PPL2IVQWF4 · pith_short_16: 76PPL2IVQWF44KLX · pith_short_8: 76PPL2IV

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/76PPL2IVQWF44KLXBDQDMXP6NV \
  | 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: ff9ef5e915858bce297708e0365dfe6d605f602e711a747e8c3d96c72d03fbcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee219759b545c8ba6a142a6931072d10be9f1bda15c2664df9b417aba1f69344",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-24T17:20:11Z",
    "title_canon_sha256": "73d025cd3621df65fab8e9ef29af03211f6e2782c1e708b71495e8942312aaf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4890",
    "kind": "arxiv",
    "version": 1
  }
}