Pith Number

pith:KZPGZSUA

pith:2019:KZPGZSUASWKKEIG4XMV46HUSBQ

not attested not anchored not stored refs pending

Investigating the origin of the Fe emission lines of the Seyfert 1 galaxy Mrk~205

Matteo Guainazzi, Ritesh Ghosh, Shruti Tripathi, Sibasish Laha

arxiv:1904.06476 v1 · 2019-04-13 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZPGZSUASWKKEIG4XMV46HUSBQ}

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	2026-05-17T23:47:55.525658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565e6cca809594a220dcbb2bcf1e920c32dd19d1c7ba1acb334f16f0ce47bc51

Aliases

arxiv: 1904.06476 · arxiv_version: 1904.06476v1 · doi: 10.48550/arxiv.1904.06476 · pith_short_12: KZPGZSUASWKK · pith_short_16: KZPGZSUASWKKEIG4 · pith_short_8: KZPGZSUA

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/KZPGZSUASWKKEIG4XMV46HUSBQ \
  | 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: 565e6cca809594a220dcbb2bcf1e920c32dd19d1c7ba1acb334f16f0ce47bc51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74dd659d610eb906d6eb05da508c6575b0ac363311ff5451b5f4b824697db61f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-13T04:11:10Z",
    "title_canon_sha256": "8ae4b2763ac0920a1f8fe8751a5188076d65aa0f70c306e0bf95a49a75ce7113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06476",
    "kind": "arxiv",
    "version": 1
  }
}