Pith Number

pith:SFVF2LD3

pith:2013:SFVF2LD3NLIVH4PAMW4DGKAD2S

not attested not anchored not stored refs pending

Tracing the evolution of Active Galactic Nuclei host galaxies over the last 9 Gyrs of Cosmic time

Alessandro Paggi, Alison L. Coil, Andy D. Goulding (SAO), Benjamin J. Weiner, Christine Jones, Jeffrey A. Newman, Jiasheng Huang, Matthew L. N. Ashby, Michael C. Cooper, Ralph Kraft, Ryan C. Hickox, Stephen S. Murray, Steven P. Willner, William R. Forman

arxiv:1310.8298 v1 · 2013-10-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFVF2LD3NLIVH4PAMW4DGKAD2S}

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	2026-05-18T01:46:40.853675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916a5d2c7b6ad153f1e065b8332803d4879c95baa59d1cb4d48215ed04039845

Aliases

arxiv: 1310.8298 · arxiv_version: 1310.8298v1 · doi: 10.48550/arxiv.1310.8298 · pith_short_12: SFVF2LD3NLIV · pith_short_16: SFVF2LD3NLIVH4PA · pith_short_8: SFVF2LD3

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/SFVF2LD3NLIVH4PAMW4DGKAD2S \
  | 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: 916a5d2c7b6ad153f1e065b8332803d4879c95baa59d1cb4d48215ed04039845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aa03725c22b7954028470e17cf6dec584ddebdbd762aa9af5f629e592f07474",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-30T20:00:00Z",
    "title_canon_sha256": "936a3362c97a72334cf6e438c4e9e212c18e6018918c4c248809e9c9d959de1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8298",
    "kind": "arxiv",
    "version": 1
  }
}