Pith Number

pith:N6JJ3OOD

pith:2012:N6JJ3OODK3OTWSGQT644ILHQT4

not attested not anchored not stored refs pending

The Sloan Digital Sky Survey Quasar Lens Search. V. Final Catalog from the Seventh Data Release

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, Patrick B. Hall, Richard L. White, Tomoki Morokuma

arxiv:1203.1087 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{N6JJ3OODK3OTWSGQT644ILHQT4}

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	2026-05-18T01:58:14.513048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f929db9c356dd3b48d09fb9c42cf09f2d8d806bdd0d42dbfe498d4ed2cb3781

Aliases

arxiv: 1203.1087 · arxiv_version: 1203.1087v2 · doi: 10.48550/arxiv.1203.1087 · pith_short_12: N6JJ3OODK3OT · pith_short_16: N6JJ3OODK3OTWSGQ · pith_short_8: N6JJ3OOD

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/N6JJ3OODK3OTWSGQT644ILHQT4 \
  | 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: 6f929db9c356dd3b48d09fb9c42cf09f2d8d806bdd0d42dbfe498d4ed2cb3781

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8a51304dd32eace0b0bfd633d0f9b496dcd156cb69530e1007b21c3f10b885f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-06T02:51:53Z",
    "title_canon_sha256": "1a42fca08cb2aab5b875b9032d997d3acd0496d721eec08955cd7ea0dcbac4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1087",
    "kind": "arxiv",
    "version": 2
  }
}