Pith Number

pith:VGRLWH5R

pith:2019:VGRLWH5RJEQZKFNKC23CMQCTD3

not attested not anchored not stored refs pending

Abundance Estimates for 16 Elements in 6 Million Stars from LAMOST DR5 Low-Resolution Spectra

Hans-Walter Rix, Hua-Wei Zhang, Jian-rong Shi, Karin Lind, Maosheng Xiang, Nathan Sandford, Sven Buder, Xiao-Wei Liu, Yuan-Sen Ting

arxiv:1908.09727 v1 · 2019-08-26 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGRLWH5RJEQZKFNKC23CMQCTD3}

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	2026-07-05T00:31:16.855180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a2bb1fb149219515aa16b62640531ee90828729e3b1eae20a62a4fa7427cc1

Aliases

arxiv: 1908.09727 · arxiv_version: 1908.09727v1 · doi: 10.48550/arxiv.1908.09727 · pith_short_12: VGRLWH5RJEQZ · pith_short_16: VGRLWH5RJEQZKFNK · pith_short_8: VGRLWH5R

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/VGRLWH5RJEQZKFNKC23CMQCTD3 \
  | 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: a9a2bb1fb149219515aa16b62640531ee90828729e3b1eae20a62a4fa7427cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99fcad165ac14d3f7969b29166d25483370eea7f42bce8a3454386c293d6f30",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-26T15:17:16Z",
    "title_canon_sha256": "1cd2e678e4e279e3315ecbb2bdd3387ea1bbe2eec05f8a7c20645b6b64f38955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09727",
    "kind": "arxiv",
    "version": 1
  }
}