Pith Number

pith:S7IHED2J

pith:2014:S7IHED2JR7IXBEX3DNEZ3DOL3G

not attested not anchored not stored refs pending

The radial metallicity gradients in the Milky Way thick disk as fossil signatures of a primordial chemical distribution

A. Curir, A. Diaferio, A.L. Serra, A. Spagna, M.G. Lattanzi, P. Re Fiorentin

arxiv:1402.4976 v2 · 2014-02-20 · 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{S7IHED2JR7IXBEX3DNEZ3DOL3G}

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	2026-05-18T01:44:35.838084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97d0720f498fd17092fb1b499d8dcbd99bd40a6e83e75d4dacc508d8770bc2f9

Aliases

arxiv: 1402.4976 · arxiv_version: 1402.4976v2 · doi: 10.48550/arxiv.1402.4976 · pith_short_12: S7IHED2JR7IX · pith_short_16: S7IHED2JR7IXBEX3 · pith_short_8: S7IHED2J

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/S7IHED2JR7IXBEX3DNEZ3DOL3G \
  | 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: 97d0720f498fd17092fb1b499d8dcbd99bd40a6e83e75d4dacc508d8770bc2f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3341b85ee1c6c46ae15201f05d2ac703bfd6d5e3b7a2c3de1542e0f0e41f1ebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-20T11:58:05Z",
    "title_canon_sha256": "8706ffcc118d33ac61ed67946a6224756f8c2a00b17c95f4b48bce424176a93a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4976",
    "kind": "arxiv",
    "version": 2
  }
}