Pith Number

pith:3D72ZGJZ

pith:2014:3D72ZGJZIGZFM4SSW7C5VP2ZY2

not attested not anchored not stored refs pending

UV spectral diagnostics for low redshift quasars: estimating physical conditions and radius of the Broad Line Region

A. Del Olmo, C. A. Negrete, D. Dultzin, J. W. Sulentic, M. A. Mart\'inez Carballo, P. Marziani, R. Bachev, T. Zwitter

arxiv:1410.3146 v1 · 2014-10-12 · 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{3D72ZGJZIGZFM4SSW7C5VP2ZY2}

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	2026-05-18T01:41:49.016427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8ffac993941b2567252b7c5dabf59c68b8da03c8daa5a3119a03cc0b473a905

Aliases

arxiv: 1410.3146 · arxiv_version: 1410.3146v1 · doi: 10.48550/arxiv.1410.3146 · pith_short_12: 3D72ZGJZIGZF · pith_short_16: 3D72ZGJZIGZFM4SS · pith_short_8: 3D72ZGJZ

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/3D72ZGJZIGZFM4SSW7C5VP2ZY2 \
  | 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: d8ffac993941b2567252b7c5dabf59c68b8da03c8daa5a3119a03cc0b473a905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d226f45a18276715ccfd664d330cad4e2a7614eb855dbda1a431c296f817646a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-12T20:45:10Z",
    "title_canon_sha256": "bf9e50cb242ceedabcd0cedaa472fbe6991c928b43e9930b9c481424a5f422ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3146",
    "kind": "arxiv",
    "version": 1
  }
}