Pith Number

pith:LG7LWLFV

pith:2009:LG7LWLFV6LIL4BOQHDN6DWO5KL

not attested not anchored not stored refs pending

The Puzzling Frequencies of CEMP and NEMP Stars

E. Glebbeek, O. R. Pols, R. G. Izzard, R. J. Stancliffe

arxiv:0910.1489 v1 · 2009-10-08 · 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{LG7LWLFV6LIL4BOQHDN6DWO5KL}

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	2026-05-18T04:37:33.677542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59bebb2cb5f2d0be05d038dbe1d9dd52dcc9f6b8551d1d7d9503e74f138e1525

Aliases

arxiv: 0910.1489 · arxiv_version: 0910.1489v1 · doi: 10.48550/arxiv.0910.1489 · pith_short_12: LG7LWLFV6LIL · pith_short_16: LG7LWLFV6LIL4BOQ · pith_short_8: LG7LWLFV

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/LG7LWLFV6LIL4BOQHDN6DWO5KL \
  | 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: 59bebb2cb5f2d0be05d038dbe1d9dd52dcc9f6b8551d1d7d9503e74f138e1525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c52d1040af764a9c5d069b523b1813852da6b02288c213d136790b415f1f5a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-08T12:51:32Z",
    "title_canon_sha256": "0323dcbb56dd0316887a7d51367bb0b9257a32915c7ff95b0c17bb867adc63f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1489",
    "kind": "arxiv",
    "version": 1
  }
}