Pith Number

pith:OPD3K5PB

pith:2014:OPD3K5PBSVVMLZZJMXDQYCKSZ4

not attested not anchored not stored refs pending

White Dwarf Cosmochronology in the Solar Neighborhood

D. R. Soderblom, J. Cummings, J. S. Kalirai, M. Cignoni, P.-E. Tremblay

arxiv:1406.5173 v1 · 2014-06-19 · 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{OPD3K5PBSVVMLZZJMXDQYCKSZ4}

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	2026-05-18T01:42:52.850527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c7b575e1956ac5e72965c70c0952cf1c5cab7237d81029dbb284f44a294c76

Aliases

arxiv: 1406.5173 · arxiv_version: 1406.5173v1 · doi: 10.48550/arxiv.1406.5173 · pith_short_12: OPD3K5PBSVVM · pith_short_16: OPD3K5PBSVVMLZZJ · pith_short_8: OPD3K5PB

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/OPD3K5PBSVVMLZZJMXDQYCKSZ4 \
  | 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: 73c7b575e1956ac5e72965c70c0952cf1c5cab7237d81029dbb284f44a294c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b717fdab25fa50e0438f48bd3ca1b42f7088723cac423e3387730c7051b6662",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-19T19:57:56Z",
    "title_canon_sha256": "689aca1b8edb944591e02784fee8ba5441585dccf42980744ebedf1d05a5d156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5173",
    "kind": "arxiv",
    "version": 1
  }
}