Pith Number

pith:4JZQTECG

pith:2014:4JZQTECG4P3DSD24GS26EUM4AC

not attested not anchored not stored refs pending

Functional Regression for Quasar Spectra

Christopher Genovese, Jessi Cisewski, Jing Lei, Larry Wasserman, Mattia Ciollaro, Peter Freeman, Ross O'Connell

arxiv:1404.3168 v1 · 2014-04-11 · stat.ME · astro-ph.CO · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JZQTECG4P3DSD24GS26EUM4AC}

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	2026-05-18T02:54:22.058483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e273099046e3f6390f5c34b5e2519c00a7f3200a6aeb52d3551f811366dc45e7

Aliases

arxiv: 1404.3168 · arxiv_version: 1404.3168v1 · doi: 10.48550/arxiv.1404.3168 · pith_short_12: 4JZQTECG4P3D · pith_short_16: 4JZQTECG4P3DSD24 · pith_short_8: 4JZQTECG

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/4JZQTECG4P3DSD24GS26EUM4AC \
  | 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: e273099046e3f6390f5c34b5e2519c00a7f3200a6aeb52d3551f811366dc45e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fab7470d8863d7f69c7913ff620f4ad712dbfd9fb13d40e484fa02eba2916453",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-04-11T17:52:34Z",
    "title_canon_sha256": "03e8bca6b06c7862de56d85c7dca6a22b7993eec04b23d9e8e96c97d7c8f84e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3168",
    "kind": "arxiv",
    "version": 1
  }
}