Pith Number

pith:66IQTWAK

pith:2011:66IQTWAK6VMD4A52CRWZRJI3G2

not attested not anchored not stored refs pending

Accretion onto Intermediate-mass Seed Black Holes in Primordial Galaxies

Yuexing Li (Penn State)

arxiv:1109.3442 v1 · 2011-09-15 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66IQTWAK6VMD4A52CRWZRJI3G2}

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	2026-05-18T04:12:56.745364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79109d80af5583e03ba146d98a51b369cea4f10b57821940ab4fa89f3a13cdf

Aliases

arxiv: 1109.3442 · arxiv_version: 1109.3442v1 · doi: 10.48550/arxiv.1109.3442 · pith_short_12: 66IQTWAK6VMD · pith_short_16: 66IQTWAK6VMD4A52 · pith_short_8: 66IQTWAK

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/66IQTWAK6VMD4A52CRWZRJI3G2 \
  | 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: f79109d80af5583e03ba146d98a51b369cea4f10b57821940ab4fa89f3a13cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e2552f2e981bb98bb066681590d57d04ad16549a37276c4d746ba90b1d08935",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-15T19:48:56Z",
    "title_canon_sha256": "256cb5c0714888c956c473cb5cefc4f7875b4b18c111ef1c2138f3d649aee394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3442",
    "kind": "arxiv",
    "version": 1
  }
}