Pith Number

pith:JVD5H52J

pith:2008:JVD5H52JOQPREPDWKPGWEWYPFU

not attested not anchored not stored refs pending

The stellar content of the Hamburg/ESO survey. V. The metallicity distribution function of the Galactic halo

A. Frebel, A. McWilliam, B. Behnke, B. Edvardsson, B. Fuhrmeister, C. Fechner, D. Haynes, D. Reimers, F.-J. Zickgraf, F. Watson, I. Thompson, J.E. Norris, J.G. Cohen, J. Melendez, K. Russell, L. Wisotzki, M. Hartley, M.S. Bessell, N. Christlieb, P. Cass, P.S. Barklem, S. Shectman, S. Solange Ramirez, T.C. Beers, T. Schoerck

arxiv:0809.1172 v2 · 2008-09-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JVD5H52JOQPREPDWKPGWEWYPFU}

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	2026-05-18T02:15:35.338671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d47d3f749741f123c7653cd625b0f2d1215ebfbb6b8ee55f4bc5cd12cb6870f

Aliases

arxiv: 0809.1172 · arxiv_version: 0809.1172v2 · doi: 10.48550/arxiv.0809.1172 · pith_short_12: JVD5H52JOQPR · pith_short_16: JVD5H52JOQPREPDW · pith_short_8: JVD5H52J

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/JVD5H52JOQPREPDWKPGWEWYPFU \
  | 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: 4d47d3f749741f123c7653cd625b0f2d1215ebfbb6b8ee55f4bc5cd12cb6870f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ddaa3014e7d87f193ae4572c00566406ca9d9a3743625a6d83ea3a186167236",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-06T14:43:21Z",
    "title_canon_sha256": "b439a80a44f7f5cd778f0fcbe5cd0b167fe670a30aac6821c5e226fe5ab3baca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1172",
    "kind": "arxiv",
    "version": 2
  }
}