Pith Number

pith:F463MELE

pith:2015:F463MELEFN3HMJV6X5DXCVUC7J

not attested not anchored not stored refs pending

Supermassive Black Hole Seed Formation at High Redshifts: Long-Term Evolution of the Direct Collapse

CU Boulder), Isaac Shlosman (UK Lexington, Japan, Japan), Jun-Hwan Choi (University of Texas at Austin), Kentaro Nagamine (Theoretical Astrophysics, Mitchell C. Begelman (JILA, Osaka University, Theoretical Astrophysics, University of Nevada at LV, USA, USA)

arxiv:1508.05098 v2 · 2015-08-20 · 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{F463MELEFN3HMJV6X5DXCVUC7J}

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	2026-05-18T01:23:55.712283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f3db611642b767626bebf47715682fa6cdcd6d191118b5fa56f5cd170352204

Aliases

arxiv: 1508.05098 · arxiv_version: 1508.05098v2 · doi: 10.48550/arxiv.1508.05098 · pith_short_12: F463MELEFN3H · pith_short_16: F463MELEFN3HMJV6 · pith_short_8: F463MELE

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/F463MELEFN3HMJV6X5DXCVUC7J \
  | 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: 2f3db611642b767626bebf47715682fa6cdcd6d191118b5fa56f5cd170352204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460cd26281eff6b58402719c8041b3804527dd44309d36d7de41407c4ffb379b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-20T20:05:03Z",
    "title_canon_sha256": "6d988c47060bfcf1edafae981c3e3c29d934b7d62dcf853c562af35836f47f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05098",
    "kind": "arxiv",
    "version": 2
  }
}