Pith Number

pith:J4AEZWZB

pith:2017:J4AEZWZBKPW7U2P572RHNQNPDV

not attested not anchored not stored refs pending

Minor Contribution of Quasars to Ionizing Photon Budget at z~6: Update on Quasar Luminosity Function at the Faint-end with Subaru/Suprime-Cam

Chris J. Willott, Hisakazu Uchiyama, Hisanori Furusawa, Ji-Jia Tang, Jun Toshikawa, Masafusa Onoue, Masami Ouchi, Masatoshi Imanishi, Masayuki Tanaka, Myungshin Im, Nobunari Kashikawa, Pascale Hibon, Satoshi Kikuta, Shogo Ishikawa, Tohru Nagao, Yoshiaki Ono, Yoshiki Matsuoka, Yuichi Harikane, Yuu Niino

arxiv:1709.04413 v1 · 2017-09-13 · astro-ph.GA

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

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	2026-05-18T00:33:48.158439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f004cdb2153edfa69fdfea276c1af1d6ec9197aa781f9b9360b084e41039b78

Aliases

arxiv: 1709.04413 · arxiv_version: 1709.04413v1 · doi: 10.48550/arxiv.1709.04413 · pith_short_12: J4AEZWZBKPW7 · pith_short_16: J4AEZWZBKPW7U2P5 · pith_short_8: J4AEZWZB

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/J4AEZWZBKPW7U2P572RHNQNPDV \
  | 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: 4f004cdb2153edfa69fdfea276c1af1d6ec9197aa781f9b9360b084e41039b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1b25b333c684bf078c608f2e406ce445b33448918d5a65b8a96203e1641259",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-13T16:48:00Z",
    "title_canon_sha256": "69138a92079a5d3e8f9b031e4aef3c38925282bfc1e2bdb8f013fb7f68258feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04413",
    "kind": "arxiv",
    "version": 1
  }
}