Pith Number

pith:QWTMJYUX

pith:2014:QWTMJYUXCDE5UCR32GV2PESQVO

not attested not anchored not stored refs pending

Anti-hierarchical evolution of the Active Galactic Nucleus space density in a hierarchical universe

Masahiro Nagashima, Masakazu A. R. Kobayashi, Motohiro Enoki, Tomoaki Ishiyama

arxiv:1408.3726 v2 · 2014-08-16 · 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{QWTMJYUXCDE5UCR32GV2PESQVO}

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	2026-05-18T02:41:18.385655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85a6c4e29710c9da0a3bd1aba79250abb5a9668cb46a7db8fb4d16f4d7e664c1

Aliases

arxiv: 1408.3726 · arxiv_version: 1408.3726v2 · doi: 10.48550/arxiv.1408.3726 · pith_short_12: QWTMJYUXCDE5 · pith_short_16: QWTMJYUXCDE5UCR3 · pith_short_8: QWTMJYUX

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/QWTMJYUXCDE5UCR32GV2PESQVO \
  | 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: 85a6c4e29710c9da0a3bd1aba79250abb5a9668cb46a7db8fb4d16f4d7e664c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceaadee790d3b1cbd2c7dc5089a4d54763e89cb0d4baf7ae9263d0b955f0f226",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-16T09:15:43Z",
    "title_canon_sha256": "8679f5905232881907f6de9c7bf55608570e66cad23683070fbcf5e106dced1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3726",
    "kind": "arxiv",
    "version": 2
  }
}