Pith Number

pith:SVGC5XT7

pith:2018:SVGC5XT7MMPJQD42ZPJIIWIDQJ

not attested not anchored not stored refs pending

Precise Ages of Field Stars from White Dwarf Companions

D. W. Hogg, H. Tian, H.-W. Rix, M. Fouesneau, T. von Hippel

arxiv:1802.06663 v1 · 2018-02-19 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVGC5XT7MMPJQD42ZPJIIWIDQJ}

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	2026-05-17T23:56:48.359727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954c2ede7f631e980f9acbd2845903826070e908c111193f150b095c435f22d6

Aliases

arxiv: 1802.06663 · arxiv_version: 1802.06663v1 · doi: 10.48550/arxiv.1802.06663 · pith_short_12: SVGC5XT7MMPJ · pith_short_16: SVGC5XT7MMPJQD42 · pith_short_8: SVGC5XT7

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/SVGC5XT7MMPJQD42ZPJIIWIDQJ \
  | 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: 954c2ede7f631e980f9acbd2845903826070e908c111193f150b095c435f22d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87ca1713e429e5c95665a19ae2757836939d36b32566435efeddf336be541669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-19T15:15:44Z",
    "title_canon_sha256": "0ceb2394b0171cf5e85eb4fed36081eac2487df6864bab1ced85d266453e3b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06663",
    "kind": "arxiv",
    "version": 1
  }
}