Pith Number

pith:VWRS3WF2

pith:2019:VWRS3WF235RL7UAPJS2SU6NSHQ

not attested not anchored not stored refs pending

Heavy metals in intermediate He-rich hot subdwarfs: The chemical composition of HZ44 and HD127493

Marilyn Latour, Matti Dorsch, Ulrich Heber

arxiv:1907.07781 v1 · 2019-07-17 · 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{VWRS3WF235RL7UAPJS2SU6NSHQ}

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.

Cited by

1 paper in Pith

Heavy-metal enrichment in the intermediate He-sdOB pulsator Feige 46

Receipt and verification

First computed	2026-07-05T00:10:39.583968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada32dd8badf62bfd00f4cb52a79b23c2e8b6072814ede3a1ae4ad710346bea5

Aliases

arxiv: 1907.07781 · arxiv_version: 1907.07781v1 · doi: 10.48550/arxiv.1907.07781 · pith_short_12: VWRS3WF235RL · pith_short_16: VWRS3WF235RL7UAP · pith_short_8: VWRS3WF2

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/VWRS3WF235RL7UAPJS2SU6NSHQ \
  | 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: ada32dd8badf62bfd00f4cb52a79b23c2e8b6072814ede3a1ae4ad710346bea5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9efdbdfa53e07bac1c410a7e194711429892e3a2a85de9155dcd09f165e7e9cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-17T21:32:57Z",
    "title_canon_sha256": "b1d029eaee286bf17f0194d7394866ad4a646c37e0f015bd4e292bd3ae468c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07781",
    "kind": "arxiv",
    "version": 1
  }
}