Pith Number

pith:K5AFI3UN

pith:2010:K5AFI3UNTCFSF67LHSDC2AZUYE

not attested not anchored not stored refs pending

The stellar content of the Hamburg/ESO survey VI. The metallicity distribution of main-sequence turnoff stars in the Galactic halo

A. Frebel, D. Yong, G. Zhao, H. N. Li, J. E. Norris, M. S. Bessell, N. Christlieb, T. C. Beers, T. Sch\"orck, Y. S. Lee

arxiv:1006.3985 v2 · 2010-06-21 · 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{K5AFI3UNTCFSF67LHSDC2AZUYE}

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	2026-05-18T02:06:44.218295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5740546e8d988b22fbeb3c862d0334c12bb649283a480dd6b6a40c2a005ff136

Aliases

arxiv: 1006.3985 · arxiv_version: 1006.3985v2 · doi: 10.48550/arxiv.1006.3985 · pith_short_12: K5AFI3UNTCFS · pith_short_16: K5AFI3UNTCFSF67L · pith_short_8: K5AFI3UN

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/K5AFI3UNTCFSF67LHSDC2AZUYE \
  | 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: 5740546e8d988b22fbeb3c862d0334c12bb649283a480dd6b6a40c2a005ff136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23b549407a08c3f76fcc6f429f0ab3d093fd23b74773017dbebbe8f1ec5fbacd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-06-21T04:45:58Z",
    "title_canon_sha256": "1a298590e33db73adb8b36c865670e2c079d2a220b6a39983009a52774d3ab49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3985",
    "kind": "arxiv",
    "version": 2
  }
}