Pith Number

pith:GJIL7DPX

pith:2012:GJIL7DPXLXNG3Q6EKPHTBWLTBH

not attested not anchored not stored refs pending

The z=5 Quasar Luminosity Function from SDSS Stripe 82

Adam D. Myers, Alina Streblyanska, Colin DeGraf, Donald P. Schneider, Eilat Glikman, Gordon T. Richards, Ian D. McGreer, Jian Ge, Linhua Jiang, Martin White, Michael A. Strauss, Nicholas P. Ross, W. Niel Brandt, Xiaohui Fan, Yue Shen

arxiv:1212.4493 v2 · 2012-12-18 · 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{GJIL7DPXLXNG3Q6EKPHTBWLTBH}

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	2026-05-18T01:52:30.789995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3250bf8df75dda6dc3c453cf30d97309d10f634434317cec37ea419aed370ab7

Aliases

arxiv: 1212.4493 · arxiv_version: 1212.4493v2 · doi: 10.48550/arxiv.1212.4493 · pith_short_12: GJIL7DPXLXNG · pith_short_16: GJIL7DPXLXNG3Q6E · pith_short_8: GJIL7DPX

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/GJIL7DPXLXNG3Q6EKPHTBWLTBH \
  | 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: 3250bf8df75dda6dc3c453cf30d97309d10f634434317cec37ea419aed370ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8acb73c17373633d76cfa19bec9ae6bd1d8639fcd976d7f20866f66c304e60fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-18T21:00:01Z",
    "title_canon_sha256": "d56de86a4dcee169515164d1a5087b801f7a0b63c2364ba39f2f6917828caf4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4493",
    "kind": "arxiv",
    "version": 2
  }
}