Pith Number

pith:2NDA6HPB

pith:2014:2NDA6HPBVAIY57N5DNLLBOWSBZ

not attested not anchored not stored refs pending

Carbon-Enhanced Metal-Poor Stars: CEMP-s and CEMP-no Sub-Classes in the Halo System of the Milky Way

Daniela Carollo, Jason Tumlinson, Ken Freeman, Sarah Martell, Timothy Beers, Vinicius Placco

arxiv:1401.0574 v3 · 2014-01-03 · 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{2NDA6HPBVAIY57N5DNLLBOWSBZ}

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	2026-05-18T01:45:34.318123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3460f1de1a8118efdbd1b56b0bad20e66e1e689501a9c30f7e4bac08f19a155

Aliases

arxiv: 1401.0574 · arxiv_version: 1401.0574v3 · doi: 10.48550/arxiv.1401.0574 · pith_short_12: 2NDA6HPBVAIY · pith_short_16: 2NDA6HPBVAIY57N5 · pith_short_8: 2NDA6HPB

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/2NDA6HPBVAIY57N5DNLLBOWSBZ \
  | 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: d3460f1de1a8118efdbd1b56b0bad20e66e1e689501a9c30f7e4bac08f19a155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a373c698c732143df6f22d564be130070755ba5b8e72f67f5d3b4759f09d1663",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-03T02:25:42Z",
    "title_canon_sha256": "2580e2c0806d2cc976c2a4a0a5690fb1b2ca5d4a505508c694a16ea406e1e046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0574",
    "kind": "arxiv",
    "version": 3
  }
}