Pith Number

pith:VVFM54C3

pith:2019:VVFM54C32ZSCLES3YRHAA3D4BR

not attested not anchored not stored refs pending

Black versus Dark: Rapid Growth of Supermassive Black Holes in Dark Matter Halos at z ~ 6

Kazuhiro Shimasaku (Univ. of Tokyo), Takuma Izumi (NAOJ)

arxiv:1902.04165 v2 · 2019-02-11 · 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{VVFM54C32ZSCLES3YRHAA3D4BR}

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	2026-05-17T23:52:50.874209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4acef05bd66425925bc44e006c7c0c4d341a2ab6815dd8bca3e52e68acdeb0

Aliases

arxiv: 1902.04165 · arxiv_version: 1902.04165v2 · doi: 10.48550/arxiv.1902.04165 · pith_short_12: VVFM54C32ZSC · pith_short_16: VVFM54C32ZSCLES3 · pith_short_8: VVFM54C3

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/VVFM54C32ZSCLES3YRHAA3D4BR \
  | 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: ad4acef05bd66425925bc44e006c7c0c4d341a2ab6815dd8bca3e52e68acdeb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810adea13e90540c1848b5207545f5c6789790bc4072a1054633950941e09d9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-11T21:59:18Z",
    "title_canon_sha256": "d429f97768fb86bebc2e9bb91b8453a97b11f7331d29a46599d31c102de2578d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04165",
    "kind": "arxiv",
    "version": 2
  }
}