Pith Number

pith:K6AVUZCN

pith:2012:K6AVUZCN2EP6XFTXSOPOIXB6YM

not attested not anchored not stored refs pending

Constraints on the faint end of the quasar luminosity function at z~5 in the COSMOS field

A. M. Koekemoer, D. Masters, E. Schinnerer, F. Civano, H. Ikeda, K. Matsuoka, M. Enoki, M. Kajisawa, M. Salvato, N. Z. Scoville, P. Capak, T. Morokuma, T. Nagao, Y. Shioya, Y. Taniguchi

arxiv:1207.1515 v1 · 2012-07-06 · 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{K6AVUZCN2EP6XFTXSOPOIXB6YM}

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	2026-05-18T01:56:34.005764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57815a644dd11feb9677939ee45c3ec3393367c65d069a19dd6a91dcfec54b6c

Aliases

arxiv: 1207.1515 · arxiv_version: 1207.1515v1 · doi: 10.48550/arxiv.1207.1515 · pith_short_12: K6AVUZCN2EP6 · pith_short_16: K6AVUZCN2EP6XFTX · pith_short_8: K6AVUZCN

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/K6AVUZCN2EP6XFTXSOPOIXB6YM \
  | 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: 57815a644dd11feb9677939ee45c3ec3393367c65d069a19dd6a91dcfec54b6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68d760c7e0f72ab9ee856a3ba7954ea101b753f9dd592657bc4cd02a08ddd66c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-06T04:19:18Z",
    "title_canon_sha256": "60b00c8e0604842609f1ea06015535e036dbcda0398bd2a5255b60b363294028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1515",
    "kind": "arxiv",
    "version": 1
  }
}