Pith Number

pith:BJWZM6L2

pith:2012:BJWZM6L2L7RSXVFB6HWECPBVJS

not attested not anchored not stored refs pending

How Does the Surface Density and Size of Disk Galaxies Measured in Hydrodynamic Simulations Correlate with the Halo Spin Parameter?

(2) Seoul National University), Ji-hoon Kim (1), Jounghun Lee (2) ((1) University of California, Santa Cruz

arxiv:1210.8321 v3 · 2012-10-31 · 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{BJWZM6L2L7RSXVFB6HWECPBVJS}

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	2026-05-18T03:21:54.788873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a6d96797a5fe32bd4a1f1ec413c354cbba59dd17bfb049a0cd24e18bdb6b3e8

Aliases

arxiv: 1210.8321 · arxiv_version: 1210.8321v3 · doi: 10.48550/arxiv.1210.8321 · pith_short_12: BJWZM6L2L7RS · pith_short_16: BJWZM6L2L7RSXVFB · pith_short_8: BJWZM6L2

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/BJWZM6L2L7RSXVFB6HWECPBVJS \
  | 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: 0a6d96797a5fe32bd4a1f1ec413c354cbba59dd17bfb049a0cd24e18bdb6b3e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c6c6bb56754c4e5a0c63f49761ac194bca27dd6db7c63972365acf5130ef73",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-10-31T13:09:26Z",
    "title_canon_sha256": "5ff4caa88550d7a0c0390ecce04f45c30352b5287d811c627e011fe053eb7fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8321",
    "kind": "arxiv",
    "version": 3
  }
}