Pith Number

pith:7HG3XN6L

pith:2016:7HG3XN6LJ6R3NSBJVYA5B6K7UP

not attested not anchored not stored refs pending

A survey of luminous high-redshift quasars with SDSS and WISE II. the bright end of the quasar luminosity function at z ~ 5

Feige Wang, Fuyan Bian, Ian D. McGreer, Jinyi Yang (Peking University), Linhua Jiang, Minghao Yue, Qian Yang, Ran Wang, Richard Green, Shu Wang, Weimin Yi, Wenwen Zuo, Xiaohui Fan, Xiaoyi Dong, Xue-Bing Wu, Yanli Ai

arxiv:1607.04415 v1 · 2016-07-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HG3XN6LJ6R3NSBJVYA5B6K7UP}

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	2026-05-18T01:03:48.985106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9cdbbb7cb4fa3b6c829ae01d0f95fa3ece9c65e3aa7ff2ad0082d487cf7e7c0

Aliases

arxiv: 1607.04415 · arxiv_version: 1607.04415v1 · doi: 10.48550/arxiv.1607.04415 · pith_short_12: 7HG3XN6LJ6R3 · pith_short_16: 7HG3XN6LJ6R3NSBJ · pith_short_8: 7HG3XN6L

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/7HG3XN6LJ6R3NSBJVYA5B6K7UP \
  | 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: f9cdbbb7cb4fa3b6c829ae01d0f95fa3ece9c65e3aa7ff2ad0082d487cf7e7c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b126ca3517c72792a056923dd45963e687163afa3e5ddf3c791e7c587fe734df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-15T08:24:49Z",
    "title_canon_sha256": "50ca3f5ed9c921351c4ebf52a4caaf1b6270c080f4f03a52789547e24aa18508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04415",
    "kind": "arxiv",
    "version": 1
  }
}