Pith Number

pith:LU2CMUW6

pith:2010:LU2CMUW6XPPZR6ZOXW4WEI5G7M

not attested not anchored not stored refs pending

Identifying the progenitor set of present-day early-type galaxies: a view from the standard model

Ignacio Ferreras, Joseph Silk, Julien Devriendt, Sugata Kaviraj, Sukyoung Yi

arxiv:1001.2212 v1 · 2010-01-13 · 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{LU2CMUW6XPPZR6ZOXW4WEI5G7M}

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	2026-07-04T17:19:23.886202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d342652debbdf98fb2ebdb96223a6fb3521d7e7fe59923cb38783fb601e020b

Aliases

arxiv: 1001.2212 · arxiv_version: 1001.2212v1 · doi: 10.48550/arxiv.1001.2212 · pith_short_12: LU2CMUW6XPPZ · pith_short_16: LU2CMUW6XPPZR6ZO · pith_short_8: LU2CMUW6

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/LU2CMUW6XPPZR6ZOXW4WEI5G7M \
  | 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: 5d342652debbdf98fb2ebdb96223a6fb3521d7e7fe59923cb38783fb601e020b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d72294bb31ac1e314a7d0dc1572a3b9fcf7506549383a2f0f64e74e10ca63ce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-13T16:33:50Z",
    "title_canon_sha256": "1feb4a839adca9d0fe0e739b072f2eed928edf693b515674bc6fed68d03abf08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2212",
    "kind": "arxiv",
    "version": 1
  }
}