Pith Number

pith:N5L7JHQJ

pith:2009:N5L7JHQJZH6FHGAHPZRCVMQ3DM

not attested not anchored not stored refs pending

The Stellar Mass Components of Galaxies: Comparing Semi-Analytical Models with Observation

Frank C. van den Bosch, H.J. Mo, Lei Liu, Volker Springel, Xiaohu Yang

arxiv:0912.1257 v2 · 2009-12-07 · 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{N5L7JHQJZH6FHGAHPZRCVMQ3DM}

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	2026-05-18T02:33:57.345670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f57f49e09c9fc5398077e622ab21b1b18b82e28357288e0f3cdf7dea8792981

Aliases

arxiv: 0912.1257 · arxiv_version: 0912.1257v2 · doi: 10.48550/arxiv.0912.1257 · pith_short_12: N5L7JHQJZH6F · pith_short_16: N5L7JHQJZH6FHGAH · pith_short_8: N5L7JHQJ

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/N5L7JHQJZH6FHGAHPZRCVMQ3DM \
  | 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: 6f57f49e09c9fc5398077e622ab21b1b18b82e28357288e0f3cdf7dea8792981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3d11d76d85bdde592ebf2d2f899c445962157015899d191315c7de5a6124a5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-07T14:40:48Z",
    "title_canon_sha256": "37480136295b4440e19ee17e4acbe59dfbcc3a5262f088d0652dd64cc1a2f15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1257",
    "kind": "arxiv",
    "version": 2
  }
}