Pith Number

pith:XWUKQMWP

pith:2016:XWUKQMWPJGULVVV2RATW5JILSZ

not attested not anchored not stored refs pending

Extreme abundance ratios in the polluted atmosphere of the cool white dwarf NLTT19868

Adela Kawka, Stephane Vennes

arxiv:1602.05000 v1 · 2016-02-16 · 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{XWUKQMWPJGULVVV2RATW5JILSZ}

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	2026-05-18T01:19:24.303933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda8a832cf49a8bad6ba88276ea50b9644e07e07104e95800ed0357ac94a3a41

Aliases

arxiv: 1602.05000 · arxiv_version: 1602.05000v1 · doi: 10.48550/arxiv.1602.05000 · pith_short_12: XWUKQMWPJGUL · pith_short_16: XWUKQMWPJGULVVV2 · pith_short_8: XWUKQMWP

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/XWUKQMWPJGULVVV2RATW5JILSZ \
  | 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: bda8a832cf49a8bad6ba88276ea50b9644e07e07104e95800ed0357ac94a3a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c59a0ccccd918d3ad26a7fdb9616099db4f028a1c7a063404791056a49991e0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-16T12:06:58Z",
    "title_canon_sha256": "87932a0c4f5a8e670e32ce357ea0c2d6fd0585399a11cfccdcddbc87feaf9ad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05000",
    "kind": "arxiv",
    "version": 1
  }
}