Pith Number

pith:QJ7ZU2CT

pith:2019:QJ7ZU2CTPE5SLWV2KZIVMCHBLX

not attested not anchored not stored refs pending

[OIII] Emission Line Properties in a New Sample of Heavily Reddened Quasars at $z>2$

Celine Peroux, Liam Coatman, Manda Banerji, Matthew J. Temple, Natasha Maddox, Paul C. Hewett

arxiv:1905.08198 v1 · 2019-05-20 · 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{QJ7ZU2CTPE5SLWV2KZIVMCHBLX}

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	2026-05-17T23:40:48.844381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827f9a6853793b25daba56515608e15dcc8a00cdeb1046db46d1aced34d585a1

Aliases

arxiv: 1905.08198 · arxiv_version: 1905.08198v1 · doi: 10.48550/arxiv.1905.08198 · pith_short_12: QJ7ZU2CTPE5S · pith_short_16: QJ7ZU2CTPE5SLWV2 · pith_short_8: QJ7ZU2CT

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/QJ7ZU2CTPE5SLWV2KZIVMCHBLX \
  | 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: 827f9a6853793b25daba56515608e15dcc8a00cdeb1046db46d1aced34d585a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21affde8290926899662ad1d756dc73dfed6cebaad01d4e11ec9c26b0f524b0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-20T16:25:26Z",
    "title_canon_sha256": "e863269fe19fa0d6333055621fb4e0cc6146c9bbdf6b1eacde65474e05547f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08198",
    "kind": "arxiv",
    "version": 1
  }
}