Pith Number

pith:EVYP5ACD

pith:2012:EVYP5ACDHYXJRL3R4JCPMG54Y7

not attested not anchored not stored refs pending

AGNs as main contributors to the UV ionizing emissivity at high redshifts: predictions from a Lambda-CDM model with linked AGN/galaxy evolution

A. Fontana, A. Grazian, E. Giallongo, F. Fiore, L. Pentericci (INAF-Osservatorio Astronomico di Roma), M. Castellano, N. Menci

arxiv:1206.2950 v1 · 2012-06-13 · 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{EVYP5ACDHYXJRL3R4JCPMG54Y7}

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	2026-05-18T01:56:58.864594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2570fe80433e2e98af71e244f61bbcc7dcc1253a4f315a49df2d05a3c5bcbc22

Aliases

arxiv: 1206.2950 · arxiv_version: 1206.2950v1 · doi: 10.48550/arxiv.1206.2950 · pith_short_12: EVYP5ACDHYXJ · pith_short_16: EVYP5ACDHYXJRL3R · pith_short_8: EVYP5ACD

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/EVYP5ACDHYXJRL3R4JCPMG54Y7 \
  | 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: 2570fe80433e2e98af71e244f61bbcc7dcc1253a4f315a49df2d05a3c5bcbc22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddc2591aa01f471e3cc079b59a221fcd55e0f1fec2e8dab555e2cba464b41505",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-13T21:59:57Z",
    "title_canon_sha256": "7b7f65e01839b0f3bf76d1dbf577d00e05b4b804f56d49faaa8d296ce875774d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2950",
    "kind": "arxiv",
    "version": 1
  }
}