Pith Number

pith:HD5KZBZF

pith:2016:HD5KZBZFY6PGUYB3YIGSGXMWCU

not attested not anchored not stored refs pending

Cosmological Simulations of Early Blackhole Formation: Halo Mergers, Tidal Disruption, and the Conditions for Direct Collapse

Naoki Yoshida, Shingo Hirano, Sunmyon Chon, Takashi Hosokawa

arxiv:1603.08923 v2 · 2016-03-29 · 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{HD5KZBZFY6PGUYB3YIGSGXMWCU}

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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

2 papers in Pith

The role of major mergers in triggering super-Eddington accretion

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-05-18T00:55:46.699068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38faac8725c79e6a603bc20d235d96151cb59ff17670cb97ad0505d0724b7b5f

Aliases

arxiv: 1603.08923 · arxiv_version: 1603.08923v2 · doi: 10.48550/arxiv.1603.08923 · pith_short_12: HD5KZBZFY6PG · pith_short_16: HD5KZBZFY6PGUYB3 · pith_short_8: HD5KZBZF

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/HD5KZBZFY6PGUYB3YIGSGXMWCU \
  | 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: 38faac8725c79e6a603bc20d235d96151cb59ff17670cb97ad0505d0724b7b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8b3fdef62655339a374cf87ca4bb444969c4c3ede65473fe48947f16f3fc80",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-29T20:00:00Z",
    "title_canon_sha256": "d7872e6066bb26b607f45146bf49fe180b115f88b5b301b7c36273a45e326d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08923",
    "kind": "arxiv",
    "version": 2
  }
}