Pith Number

pith:7F4PWZSN

pith:2016:7F4PWZSN77CPG4R2O5CQY3NSP7

not attested not anchored not stored refs pending

A Deep Proper Motion Catalog Within the Sloan Digital Sky Survey Footprint. II. The White Dwarf Luminosity Function

A. Gianninas, Elizabeth Jeffery, Hugh C. Harris, James W. Liebert, Jeffrey A. Munn, Kurtis A. Williams, Kyra Dame, Mukremin Kilic, Steven Degennaro, Ted von Hippel, Warren R. Brown

arxiv:1611.06275 v1 · 2016-11-18 · astro-ph.SR · 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{7F4PWZSN77CPG4R2O5CQY3NSP7}

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	2026-05-18T00:53:57.624877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f978fb664dffc4f3723a77450c6db27ffb82f7aaa208fbdec4b6ef8f0014fc77

Aliases

arxiv: 1611.06275 · arxiv_version: 1611.06275v1 · doi: 10.48550/arxiv.1611.06275 · pith_short_12: 7F4PWZSN77CP · pith_short_16: 7F4PWZSN77CPG4R2 · pith_short_8: 7F4PWZSN

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/7F4PWZSN77CPG4R2O5CQY3NSP7 \
  | 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: f978fb664dffc4f3723a77450c6db27ffb82f7aaa208fbdec4b6ef8f0014fc77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb9dcc0901e805b57e9ba6fb04c036ce2012ea6c648c337f55ad1840642710c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-18T23:22:32Z",
    "title_canon_sha256": "48ee341601e33488c1068365bd8e6a843c1f92ffd3ba944161da2e8205bcb769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06275",
    "kind": "arxiv",
    "version": 1
  }
}