Pith Number

pith:QMNQJWK4

pith:2010:QMNQJWK4JFPWHD5QMG4F7GEXMQ

not attested not anchored not stored refs pending

Abundance analyses of helium-rich subluminous B stars

A. Ahmad, C.S. Jeffery, N. Naslim, N.T. Behara, T. Sahin

arxiv:1008.0546 v2 · 2010-08-03 · 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{QMNQJWK4JFPWHD5QMG4F7GEXMQ}

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	2026-05-18T04:42:35.991847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831b04d95c495f638fb061b85f9897642fed74e2dbc1a9e58fa55586b8dffb67

Aliases

arxiv: 1008.0546 · arxiv_version: 1008.0546v2 · doi: 10.48550/arxiv.1008.0546 · pith_short_12: QMNQJWK4JFPW · pith_short_16: QMNQJWK4JFPWHD5Q · pith_short_8: QMNQJWK4

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/QMNQJWK4JFPWHD5QMG4F7GEXMQ \
  | 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: 831b04d95c495f638fb061b85f9897642fed74e2dbc1a9e58fa55586b8dffb67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42878da78b2948cd06b42891f72d973e495d44772523c72c9d8a7c355d74e7e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-03T13:28:28Z",
    "title_canon_sha256": "9a386e69c1ddea3e9353d746187576b787c4b384a746e50c08d3a7c95d7accc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0546",
    "kind": "arxiv",
    "version": 2
  }
}