Pith Number

pith:HFCR4GTS

pith:2012:HFCR4GTSYS2HU6ANEHR5GDSINQ

not attested not anchored not stored refs pending

A Re-examination of Galactic Conformity and a Comparison with Semi-analytic Models of Galaxy Formation

Cheng Li, Guinevere Kauffmann, Simone Weinmann, Wei Zhang

arxiv:1209.3306 v2 · 2012-09-14 · 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{HFCR4GTSYS2HU6ANEHR5GDSINQ}

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	2026-05-18T01:54:28.844393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39451e1a72c4b47a780d21e3d30e486c2e1f5acd3414091fbf14a42afb6c1e24

Aliases

arxiv: 1209.3306 · arxiv_version: 1209.3306v2 · doi: 10.48550/arxiv.1209.3306 · pith_short_12: HFCR4GTSYS2H · pith_short_16: HFCR4GTSYS2HU6AN · pith_short_8: HFCR4GTS

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/HFCR4GTSYS2HU6ANEHR5GDSINQ \
  | 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: 39451e1a72c4b47a780d21e3d30e486c2e1f5acd3414091fbf14a42afb6c1e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01ed7824157158688c0d204070d9485127a5cd644edcb6274d9d813d1e2d854c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-14T20:00:03Z",
    "title_canon_sha256": "2582a21c6dd3bc5beee8073777b5931ef9d7856d8900850205f45d9b37c60624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3306",
    "kind": "arxiv",
    "version": 2
  }
}