Pith Number

pith:WE7EVRRY

pith:2009:WE7EVRRY6TASTXA26VT2QS766F

not attested not anchored not stored refs pending

Testing adiabatic contraction with SDSS elliptical galaxies

A.E. Schulz, Nikhil Padmanabhan, Rachel Mandelbaum

arxiv:0911.2260 v2 · 2009-11-12 · astro-ph.CO · 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{WE7EVRRY6TASTXA26VT2QS766F}

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	2026-05-18T04:29:53.998141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b13e4ac638f4c129dc1af567a84bfef17fcc5056705ae8b32796538d05c34a09

Aliases

arxiv: 0911.2260 · arxiv_version: 0911.2260v2 · doi: 10.48550/arxiv.0911.2260 · pith_short_12: WE7EVRRY6TAS · pith_short_16: WE7EVRRY6TASTXA2 · pith_short_8: WE7EVRRY

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/WE7EVRRY6TASTXA26VT2QS766F \
  | 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: b13e4ac638f4c129dc1af567a84bfef17fcc5056705ae8b32796538d05c34a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b914894b709163420323b2e6be42b3bd72e38f527c02b1478a809d936c93e43",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-12T19:58:10Z",
    "title_canon_sha256": "a9672de69a68c5e97e3e0317cd49c572524d11d1504733ba294d12ae89b0da79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2260",
    "kind": "arxiv",
    "version": 2
  }
}