Pith Number

pith:DV4D7VWZ

pith:2018:DV4D7VWZ55K32HN2WZIAKOPF2I

not attested not anchored not stored refs pending

The shape of Fe K$\alpha$ line emitted from relativistic accretion disc around AGN black holes

Luka \v{C}. Popovi\'c, Miika A. Pursiainen, Milan Milo\v{s}evi\'c, Predrag Jovanovi\'c

arxiv:1811.09583 v1 · 2018-11-23 · astro-ph.GA · 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{DV4D7VWZ55K32HN2WZIAKOPF2I}

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	2026-05-17T23:55:10.941788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d783fd6d9ef55bd1dbab6500539e5d2241d02ffcef26376a7bb2a117074ae0d

Aliases

arxiv: 1811.09583 · arxiv_version: 1811.09583v1 · doi: 10.48550/arxiv.1811.09583 · pith_short_12: DV4D7VWZ55K3 · pith_short_16: DV4D7VWZ55K32HN2 · pith_short_8: DV4D7VWZ

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/DV4D7VWZ55K32HN2WZIAKOPF2I \
  | 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: 1d783fd6d9ef55bd1dbab6500539e5d2241d02ffcef26376a7bb2a117074ae0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "136841dca0ce8a7790b5e09f5e9966ef9931314644563e5473604e137524bc9a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-23T18:04:16Z",
    "title_canon_sha256": "f448374c271b17517725ae4af26a3a1337baed67a9fa1e99a6795b66c16f5a02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09583",
    "kind": "arxiv",
    "version": 1
  }
}