Pith Number

pith:DS52T4MG

pith:2010:DS52T4MG5TMNIPEHQCTDFD6WIX

not attested not anchored not stored refs pending

The Dual Origin of Stellar Halos II: Chemical Abundances as Tracers of Formation History

Adi Zolotov, Alyson Brooks, Beth Willman, David W. Hogg, Fabio Governato, James Wadsley, Sijing Shen

arxiv:1004.3789 v2 · 2010-04-21 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DS52T4MG5TMNIPEHQCTDFD6WIX}

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	2026-05-18T02:07:55.476075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cbba9f186ecd8d43c8780a6328fd645dc79811e399243a35fffee314d622d81

Aliases

arxiv: 1004.3789 · arxiv_version: 1004.3789v2 · doi: 10.48550/arxiv.1004.3789 · pith_short_12: DS52T4MG5TMN · pith_short_16: DS52T4MG5TMNIPEH · pith_short_8: DS52T4MG

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/DS52T4MG5TMNIPEHQCTDFD6WIX \
  | 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: 1cbba9f186ecd8d43c8780a6328fd645dc79811e399243a35fffee314d622d81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f3a4a85d713356ad2eb1ac2ed776897e2ecc73c52d1c8ac97d7a3d7e43f1b4a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-21T20:00:07Z",
    "title_canon_sha256": "4e36dbf730d3a0fc8b69f9e8fa1305fb70e9834858e621a1c154e170428d9602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3789",
    "kind": "arxiv",
    "version": 2
  }
}