Pith Number

pith:TLQSL7EY

pith:2012:TLQSL7EY2QEPIHFG7BSQL3QD3W

not attested not anchored not stored refs pending

Evolution of the Quasar Luminosity Function Over 3 < z < 5 in the COSMOS Survey Field

Bahram Mobasher, Brian Siana, Christopher Impey, Daniel Masters, Francesca Civano, Guenther Hasinger, Hiroyuki Ikeda, Jonathan Trump, Mara Salvato, Martin Elvis, Nicholas Scoville, Peter Capak, Tohru Nagao

arxiv:1207.2154 v1 · 2012-07-09 · 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{TLQSL7EY2QEPIHFG7BSQL3QD3W}

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	2026-05-18T01:56:26.309993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ae125fc98d408f41ca6f86505ee03ddbde944f81c1c313ed3b0e366b48f3c36

Aliases

arxiv: 1207.2154 · arxiv_version: 1207.2154v1 · doi: 10.48550/arxiv.1207.2154 · pith_short_12: TLQSL7EY2QEP · pith_short_16: TLQSL7EY2QEPIHFG · pith_short_8: TLQSL7EY

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/TLQSL7EY2QEPIHFG7BSQL3QD3W \
  | 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: 9ae125fc98d408f41ca6f86505ee03ddbde944f81c1c313ed3b0e366b48f3c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6997681370b03bacb45824b100d4be4e1b79e141887cfa0cb3792a36f9ef667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-09T20:00:16Z",
    "title_canon_sha256": "81127456beec73c31a5217558fe70e48d9e55ca541505bd66c2e0e8466316949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2154",
    "kind": "arxiv",
    "version": 1
  }
}