Pith Number

pith:ESOJ46WG

pith:2013:ESOJ46WGGJMEMO2JKKCNV53EGP

not attested not anchored not stored refs pending

Candidate Type II Quasars at 2 < z < 4.3 in the Sloan Digital Sky Survey III

Adam D. Myers, Donald G. York, Donald P. Schneider, Fred Hamann, Guilin Liu, Hassen Yesuf, Jenny E. Greene, Jian Ge, Michael A. Strauss, Nadia L. Zakamska, Nicholas P. Ross, Patrick Petitjean, Paul S. Smith, Rachael Alexandroff, W. N. Brandt

arxiv:1307.7289 v2 · 2013-07-27 · 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{ESOJ46WGGJMEMO2JKKCNV53EGP}

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	2026-05-18T01:48:33.761670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249c9e7ac63258463b495284daf76433e365e49a4d93cb34199be873ad6b048a

Aliases

arxiv: 1307.7289 · arxiv_version: 1307.7289v2 · doi: 10.48550/arxiv.1307.7289 · pith_short_12: ESOJ46WGGJME · pith_short_16: ESOJ46WGGJMEMO2J · pith_short_8: ESOJ46WG

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/ESOJ46WGGJMEMO2JKKCNV53EGP \
  | 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: 249c9e7ac63258463b495284daf76433e365e49a4d93cb34199be873ad6b048a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b220c2326718376b63028ba4fce4096c29bb032e62206a15aeea713be71c3b29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-27T18:13:56Z",
    "title_canon_sha256": "472bac4ba2bf64d59a2d7f56a19fb8fa89e849cd07ac9b04c024e2818dacb65b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7289",
    "kind": "arxiv",
    "version": 2
  }
}