Pith Number

pith:JFAEL52Y

pith:2014:JFAEL52YD7DNTK3QYTZQEQQWSG

not attested not anchored not stored refs pending

Gemini Long-slit Observations of Luminous Obscured Quasars: Further Evidence for an Upper Limit on the Size of the Narrow-Line Region

Adam D. Myers, Guilin Liu, Jenny E. Greene, Kevin N. Hainline, Nadia L. Zakamska, Ryan C. Hickox, Xin Liu

arxiv:1404.1921 v1 · 2014-04-07 · 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{JFAEL52YD7DNTK3QYTZQEQQWSG}

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	2026-05-18T01:43:36.814555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

494045f7581fc6d9ab70c4f302421691ade07544085ac44e425c28579bc13485

Aliases

arxiv: 1404.1921 · arxiv_version: 1404.1921v1 · doi: 10.48550/arxiv.1404.1921 · pith_short_12: JFAEL52YD7DN · pith_short_16: JFAEL52YD7DNTK3Q · pith_short_8: JFAEL52Y

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/JFAEL52YD7DNTK3QYTZQEQQWSG \
  | 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: 494045f7581fc6d9ab70c4f302421691ade07544085ac44e425c28579bc13485

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3caea303abe90c2030d1634ee5565edc2bc935fc280c9bef095457f6a4ff4d7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-07T20:00:24Z",
    "title_canon_sha256": "c592843721e7d9debab5a761ab491baa3fcec4efabd43f79cedee035a4d80bd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1921",
    "kind": "arxiv",
    "version": 1
  }
}