Pith Number

pith:O2WAND5D

pith:2020:O2WAND5DMHPOV67RTVZBRQNJZS

not attested not anchored not stored refs pending

Very high redshift quasars and the rapid emergence of super-massive black holes

ESA/ESTEC+), Ladislav Subr (Prague), Long Wang (Tokyo), Pavel Kroupa (Bonn, Prague), Tereza Jerabkova (GRANTECAN

arxiv:2007.14402 v2 · 2020-07-28 · 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{O2WAND5DMHPOV67RTVZBRQNJZS}

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.

Cited by

1 paper in Pith

Prospects for characterizing Population III remnants with next-generation gravitational-wave observatories

Receipt and verification

First computed	2026-07-05T01:36:10.096909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76ac068fa361deeafbf19d7218c1a9ccbb962bd7b0aa9958f04500bbaca00f0e

Aliases

arxiv: 2007.14402 · arxiv_version: 2007.14402v2 · doi: 10.48550/arxiv.2007.14402 · pith_short_12: O2WAND5DMHPO · pith_short_16: O2WAND5DMHPOV67R · pith_short_8: O2WAND5D

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/O2WAND5DMHPOV67RTVZBRQNJZS \
  | 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: 76ac068fa361deeafbf19d7218c1a9ccbb962bd7b0aa9958f04500bbaca00f0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b68de8dbf85c800d14826604e70f5d79ee25c3d99f2b5c18653cd3eb2de25aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-28T18:00:01Z",
    "title_canon_sha256": "e48b5b9e7138c129482ff0522fc1289fd71b303f24f4649138d20c5c3422ab12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14402",
    "kind": "arxiv",
    "version": 2
  }
}