Pith Number

pith:T6NYGEZD

pith:2014:T6NYGEZDMBKJH2E3R25AOF7BQ7

not attested not anchored not stored refs pending

Very extended cold gas, star formation and outflows in the halo of a bright QSO at z>6

A. Ferrara, C. Cicone, C. Feruglio, E. Piconcelli, E. Sturm, F. Fiore, R. Maiolino, R. Neri, S. Gallerani

arxiv:1409.4418 v2 · 2014-09-15 · astro-ph.GA · 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{T6NYGEZDMBKJH2E3R25AOF7BQ7}

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	2026-05-18T02:29:02.588120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9b831323605493e89b8eba0717e187fce0a101073b1ec90f40695f4a1ba22c

Aliases

arxiv: 1409.4418 · arxiv_version: 1409.4418v2 · doi: 10.48550/arxiv.1409.4418 · pith_short_12: T6NYGEZDMBKJ · pith_short_16: T6NYGEZDMBKJH2E3 · pith_short_8: T6NYGEZD

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/T6NYGEZDMBKJH2E3R25AOF7BQ7 \
  | 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: 9f9b831323605493e89b8eba0717e187fce0a101073b1ec90f40695f4a1ba22c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1904434a3e9ab9d63803f0fc11c9a04d127c25e890f1feff6da0000ffe53512",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-15T20:00:06Z",
    "title_canon_sha256": "9c9e059646187abde09dac81f85a547fa3b0c6f67fee210326060df3159386c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4418",
    "kind": "arxiv",
    "version": 2
  }
}