Pith Number

pith:CZH5O6XN

pith:2009:CZH5O6XNDGOK5OW3KZCXU2TL3R

not attested not anchored not stored refs pending

The Rise of the AGB in the Galactic Halo: Mg Isotopic Ratios and High Precision Elemental Abundances in M71 Giants

Jorge Melendez (CAUP), Judy Cohen (Caltech)

arxiv:0905.1872 v1 · 2009-05-12 · astro-ph.GA · 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{CZH5O6XNDGOK5OW3KZCXU2TL3R}

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	2026-05-18T02:13:39.886802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164fd77aed199caebadb56457a6a6bdc78e326018a34d48e964f026e04df3a2d

Aliases

arxiv: 0905.1872 · arxiv_version: 0905.1872v1 · doi: 10.48550/arxiv.0905.1872 · pith_short_12: CZH5O6XNDGOK · pith_short_16: CZH5O6XNDGOK5OW3 · pith_short_8: CZH5O6XN

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/CZH5O6XNDGOK5OW3KZCXU2TL3R \
  | 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: 164fd77aed199caebadb56457a6a6bdc78e326018a34d48e964f026e04df3a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a24b399be81cc8f0b868eac892c73789d8c466978e491f0f23d324010bd2c5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-12T15:11:59Z",
    "title_canon_sha256": "0ea40e8feb716c4b93f09caf759766425d24a3e3cf042bb146f66d69d72f7499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1872",
    "kind": "arxiv",
    "version": 1
  }
}