Pith Number

pith:LC3RM6HD

pith:2015:LC3RM6HDFTMMJIOMLNCIMJHEIL

not attested not anchored not stored refs pending

Effect of a partial coverage of quasar broad-line regions by intervening H$_2$-bearing clouds

Aleksandr Ivanchik, Aleksandr Kaminker, Dmitrii Ofengeim, Sergei Balashev, Vyacheslav Klimenko

arxiv:1508.04750 v1 · 2015-08-19 · 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{LC3RM6HDFTMMJIOMLNCIMJHEIL}

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	2026-05-18T01:35:01.893628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58b71678e32cd8c4a1cc5b448624e442d4c5c46b86c09dded3ce0b1397c7beff

Aliases

arxiv: 1508.04750 · arxiv_version: 1508.04750v1 · doi: 10.48550/arxiv.1508.04750 · pith_short_12: LC3RM6HDFTMM · pith_short_16: LC3RM6HDFTMMJIOM · pith_short_8: LC3RM6HD

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/LC3RM6HDFTMMJIOMLNCIMJHEIL \
  | 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: 58b71678e32cd8c4a1cc5b448624e442d4c5c46b86c09dded3ce0b1397c7beff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47f10772637d17b810a3d54c7da207dabebc0cbe783c35d840ca029b71bf3e9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-19T19:38:35Z",
    "title_canon_sha256": "6e232081b6f4877d88fe3bdba50c3db50065582b700d53e1d1f04aa064c6ddd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04750",
    "kind": "arxiv",
    "version": 1
  }
}