Pith Number

pith:Q6F6V4FX

pith:2017:Q6F6V4FXWIBIUQMVGWC2GMSR7X

not attested not anchored not stored refs pending

The Ages of the Thin Disk, Thick Disk, and the Halo from Nearby White Dwarfs

Elizabeth Jeffery, Hugh C. Harris, James W. Liebert, Jeffrey A. Munn, Kurtis A. Williams, Mukremin Kilic, Steven Degennaro, Ted von Hippel

arxiv:1702.06984 v1 · 2017-02-22 · 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{Q6F6V4FXWIBIUQMVGWC2GMSR7X}

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	2026-05-18T00:48:14.493309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

878beaf0b7b2028a41953585a33251fde119ca48683f73c0638b8151245d333a

Aliases

arxiv: 1702.06984 · arxiv_version: 1702.06984v1 · doi: 10.48550/arxiv.1702.06984 · pith_short_12: Q6F6V4FXWIBI · pith_short_16: Q6F6V4FXWIBIUQMV · pith_short_8: Q6F6V4FX

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/Q6F6V4FXWIBIUQMVGWC2GMSR7X \
  | 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: 878beaf0b7b2028a41953585a33251fde119ca48683f73c0638b8151245d333a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a6360578a7bf09a5a412fd94277ec768478f11b71699860e9d3c246c06388d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-22T19:54:21Z",
    "title_canon_sha256": "ddfaaf35c35af23ef5a05fde9012346c1ebc082d8dd86ce21b2267b6a19ebb7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06984",
    "kind": "arxiv",
    "version": 1
  }
}