Pith Number

pith:N4UTCDS2

pith:2015:N4UTCDS2ACEQAPHKYBTO7GV2BE

not attested not anchored not stored refs pending

The Brightest Ly$\alpha$ Emitter: Pop III or Black Hole?

A. Ferrara, A. Pallottini, D. Schaerer, D. Sobral, F. Pacucci, J. Matthee, R. Schneider, S. Gallerani, S. Salvadori

arxiv:1506.07173 v2 · 2015-06-23 · 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{N4UTCDS2ACEQAPHKYBTO7GV2BE}

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	2026-05-18T01:33:00.076443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f29310e5a0089003ceac066ef9aba092bc14c3f5150b4ed9843873365901bbd

Aliases

arxiv: 1506.07173 · arxiv_version: 1506.07173v2 · doi: 10.48550/arxiv.1506.07173 · pith_short_12: N4UTCDS2ACEQ · pith_short_16: N4UTCDS2ACEQAPHK · pith_short_8: N4UTCDS2

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/N4UTCDS2ACEQAPHKYBTO7GV2BE \
  | 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: 6f29310e5a0089003ceac066ef9aba092bc14c3f5150b4ed9843873365901bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79089c42d1847466831a1feef1e4be8079141b485d7e8da00148ca505a652abe",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-23T20:00:27Z",
    "title_canon_sha256": "6d705eef90b1ecfb5246ecf9aebbdbde2af51abdbed0013583e875c3705d5a51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07173",
    "kind": "arxiv",
    "version": 2
  }
}