Pith Number

pith:KOLL2MZG

pith:2008:KOLL2MZGMY4CREN2TZGDVW3PYY

not attested not anchored not stored refs pending

Galaxy density profiles and shapes -- II. selection biases in strong lensing surveys

Charles R. Keeton (Rutgers Univ.), Glenn van de Ven (IAS, Princeton), Rachel Mandelbaum (IAS

arxiv:0808.2497 v2 · 2008-08-19 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOLL2MZGMY4CREN2TZGDVW3PYY}

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	2026-05-18T02:15:43.106137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5396bd332666382891ba9e4c3adb6fc62d027350416163408039ee467809298b

Aliases

arxiv: 0808.2497 · arxiv_version: 0808.2497v2 · doi: 10.48550/arxiv.0808.2497 · pith_short_12: KOLL2MZGMY4C · pith_short_16: KOLL2MZGMY4CREN2 · pith_short_8: KOLL2MZG

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/KOLL2MZGMY4CREN2TZGDVW3PYY \
  | 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: 5396bd332666382891ba9e4c3adb6fc62d027350416163408039ee467809298b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4725118ae03ab4492b109b28e16dd20a54d4ec22cbd98d639fbdddfd5bcae87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-19T12:01:37Z",
    "title_canon_sha256": "fe794861e602f57c618d5b98fa87961fb6894aa7cbee881899d3bf6efd54cb64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2497",
    "kind": "arxiv",
    "version": 2
  }
}