Pith Number

pith:K537LLPC

pith:2019:K537LLPCUIJSMH5VFY2RCOLT6T

not attested not anchored not stored refs pending

A far-UV survey of three hot, metal-polluted white dwarf stars: WD0455-282, WD0621-376, and WD2211-495

C. C. Lee, J. B. Holberg, J. D. Barrow, J. Hu, J. K. Webb, M. A. Barstow, M. Bainbridge, N. Reindl, S. P. Preval, T. Ayres

arxiv:1905.12350 v1 · 2019-05-29 · 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{K537LLPCUIJSMH5VFY2RCOLT6T}

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	2026-05-17T23:43:34.102819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5777f5ade2a213261fb52e35113973f4e2ef9deb292d9c8533b26d04881b5204

Aliases

arxiv: 1905.12350 · arxiv_version: 1905.12350v1 · doi: 10.48550/arxiv.1905.12350 · pith_short_12: K537LLPCUIJS · pith_short_16: K537LLPCUIJSMH5V · pith_short_8: K537LLPC

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/K537LLPCUIJSMH5VFY2RCOLT6T \
  | 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: 5777f5ade2a213261fb52e35113973f4e2ef9deb292d9c8533b26d04881b5204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "452a16a2d1877650aabc7be8de804a62f1bb9ed8c3f4f781a59e90ecf80614c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-29T11:59:36Z",
    "title_canon_sha256": "8de892c089a592d4f556f6e55078daa53d57ac52f2866de062346bb7af2b57cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12350",
    "kind": "arxiv",
    "version": 1
  }
}