Pith Number

pith:QLTQJO64

pith:2013:QLTQJO646KFILCJ62BNDNMHD6H

not attested not anchored not stored refs pending

Implications of the spectroscopic abundances in {\alpha} Centauri A and B

Natalie R. Hinkel, Stephen R. Kane

arxiv:1304.0450 v1 · 2013-04-01 · 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{QLTQJO646KFILCJ62BNDNMHD6H}

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	2026-05-18T03:29:15.323945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82e704bbdcf28a85893ed05a36b0e3f1c487c009fa3a8add086f7157b07df9a4

Aliases

arxiv: 1304.0450 · arxiv_version: 1304.0450v1 · doi: 10.48550/arxiv.1304.0450 · pith_short_12: QLTQJO646KFI · pith_short_16: QLTQJO646KFILCJ6 · pith_short_8: QLTQJO64

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/QLTQJO646KFILCJ62BNDNMHD6H \
  | 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: 82e704bbdcf28a85893ed05a36b0e3f1c487c009fa3a8add086f7157b07df9a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dda7ca843d42c0d736286f7cb1d469c5de33b16c69028d377d5309ec7bf4f03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-01T20:00:02Z",
    "title_canon_sha256": "b94dc0b40e4454959c25503713a59829240b11032575efcbbe6d09a405dee838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0450",
    "kind": "arxiv",
    "version": 1
  }
}