Pith Number

pith:PONIKBC6

pith:2018:PONIKBC6COHX3XPIUO2YLF7I2J

not attested not anchored not stored refs pending

The molecular gas content in obscured AGN at z > 1

A. Comastri, C. Feruglio, C. Vignali, E. Daddi, E. Lusso, E. Piconcelli, G. Cresci, G. Lanzuisi, M. Brusa, M. Perna, M.T. Sargent, Q. D'Amato, R. Gilli, R. T. Coogan

arxiv:1807.03378 v1 · 2018-07-09 · 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{PONIKBC6COHX3XPIUO2YLF7I2J}

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	2026-05-18T00:00:45.797798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b9a85045e138f7ddde8a3b58597e8d26b2f8b281276da2d9ce2698f606ec163

Aliases

arxiv: 1807.03378 · arxiv_version: 1807.03378v1 · doi: 10.48550/arxiv.1807.03378 · pith_short_12: PONIKBC6COHX · pith_short_16: PONIKBC6COHX3XPI · pith_short_8: PONIKBC6

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/PONIKBC6COHX3XPIUO2YLF7I2J \
  | 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: 7b9a85045e138f7ddde8a3b58597e8d26b2f8b281276da2d9ce2698f606ec163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d70cf577d6dabd85fd8d5466627896dd52bfcc641af5f90106217a1a8cdf57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-09T20:40:13Z",
    "title_canon_sha256": "a1ef037365ddced9e20cc0bbdef5a6ab76b710198eb90fc19045c8c58305d3f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03378",
    "kind": "arxiv",
    "version": 1
  }
}