Pith Number

pith:IFWORCJV

pith:2012:IFWORCJVQEQXZ5RZ2KS3ULTWPQ

not attested not anchored not stored refs pending

The Sloan Digital Sky Survey Quasar Lens Search. VI. Constraints on Dark Energy and the Evolution of Massive Galaxies

Christopher S. Kochanek, Cristian E. Rusu, Donald G. York, Donald P. Schneider, Gordon T. Richards, Issha Kayo, Joshua A. Frieman, Masamune Oguri, Masataka Fukugita, Michael A. Strauss, Min-Su Shin, Naohisa Inada, Neta A. Bahcall, Richard L. White, Tomoki Morokuma

arxiv:1203.1088 v2 · 2012-03-06 · 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{IFWORCJVQEQXZ5RZ2KS3ULTWPQ}

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	2026-05-18T01:58:14.503709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416ce8893581217cf639d2a5ba2e767c2a508d269c63275c4e35fde265f6dbe7

Aliases

arxiv: 1203.1088 · arxiv_version: 1203.1088v2 · doi: 10.48550/arxiv.1203.1088 · pith_short_12: IFWORCJVQEQX · pith_short_16: IFWORCJVQEQXZ5RZ · pith_short_8: IFWORCJV

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/IFWORCJVQEQXZ5RZ2KS3ULTWPQ \
  | 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: 416ce8893581217cf639d2a5ba2e767c2a508d269c63275c4e35fde265f6dbe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b2a3c33e21aec47456660e4aee45416f8eb8f350c8104cb4f06b7f58716c2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-06T02:52:10Z",
    "title_canon_sha256": "51eedd14142ec8f8eab4d5ae003617bd55ded44a9c0ea11352988b34fedcd404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1088",
    "kind": "arxiv",
    "version": 2
  }
}