Pith Number

pith:AJCZPQPD

pith:2010:AJCZPQPD5AZTEDD3H5CBU7FOMD

not attested not anchored not stored refs pending

Visitors from the Halo: 11 Gyr old White Dwarfs in the Solar Neighborhood

B. McLeod, Elizabeth J. Jeffery, Hugh C. Harris, Jeffrey A. Munn, Kurtis A. Williams, Mukremin Kilic, P. M. Kowalski, Steven Degennaro, Ted von Hippel, Warren R. Brown

arxiv:1004.0958 v1 · 2010-04-06 · 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{AJCZPQPD5AZTEDD3H5CBU7FOMD}

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	2026-05-18T02:08:14.028124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

024597c1e3e833320c7b3f441a7cae60d87ab342836ac08aa5d2ea61da7eb96f

Aliases

arxiv: 1004.0958 · arxiv_version: 1004.0958v1 · doi: 10.48550/arxiv.1004.0958 · pith_short_12: AJCZPQPD5AZT · pith_short_16: AJCZPQPD5AZTEDD3 · pith_short_8: AJCZPQPD

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/AJCZPQPD5AZTEDD3H5CBU7FOMD \
  | 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: 024597c1e3e833320c7b3f441a7cae60d87ab342836ac08aa5d2ea61da7eb96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e23cff84eaf0f842967ae5c46650cdc0ce9d3c865bd5529f41a6962e0e4ff1d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-06T20:05:55Z",
    "title_canon_sha256": "3a37a4ce007ceaa51865162d8f1c85e8e4e07c2dff3f4451f136e5a73a4e0b26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0958",
    "kind": "arxiv",
    "version": 1
  }
}