Pith Number

pith:PNCFFJ3W

pith:2015:PNCFFJ3WFPFEQ3W2OIRIIA4DYC

not attested not anchored not stored refs pending

TOPoS: II. On the bimodality of carbon abundance in CEMP stars. Implications on the early chemical evolution of galaxies

1), (10) INAF - OA Trieste, 1) ((1) GEPI, (11) INAF- OA Padova, (12) LUPM, (13) School of Physics, 15), (15) DCF - Univ. A. Bello, (16) MAS, 17), (17) PUC - Chile, (18) Leibniz-Institut AIP), 2), (2) ZAH-LSW, (3) INAF - OA Roma, 4), (4) Kavli IPMU, 6), (6) ZAH-ARI, 7, (7) Kavli, 8), (8) Dep A&A Univ, 9), (9) UPJV, A. Chieffi (5), A. Koch (2), Astronomy, B. Plez (12), Calfornia, Cardiff Univ. (14) ESO, E. Caffau (1, F. Hammer (1), F. Spite (1), H. G. Ludwig (2, IPAC, L. Monaco (14, L. Sbordone (16, M. Limongi (3, M. Spite (2), M. Steffen (18, N. Christlieb (2), Observatoire de Paris, P. Bonifacio (1), P.C. Clark (13, P. Fran\c{c}ois (1, P. Molaro (10), R. Cayrel (1), R.S. Klessen (6, S.C.O. Glover (6), Stanford Univ., S. Zaggia (11), Univ. Montpellier, Univ. Picardie, Univ. Tokyo (5) INAF - IASFC

arxiv:1504.05963 v1 · 2015-04-22 · astro-ph.GA

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

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	2026-05-18T01:40:58.392248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b4452a7762bca486eda7222840383c0b61b4c5920be80ce9dcbaf9df0c631ec

Aliases

arxiv: 1504.05963 · arxiv_version: 1504.05963v1 · doi: 10.48550/arxiv.1504.05963 · pith_short_12: PNCFFJ3WFPFE · pith_short_16: PNCFFJ3WFPFEQ3W2 · pith_short_8: PNCFFJ3W

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/PNCFFJ3WFPFEQ3W2OIRIIA4DYC \
  | 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: 7b4452a7762bca486eda7222840383c0b61b4c5920be80ce9dcbaf9df0c631ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdb8a6b1427fa0d9ee62e08fd91d92f13820ba09dc3cf00cc60762d3c1b22990",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-22T20:00:44Z",
    "title_canon_sha256": "b4269d7d1b2b1acf6ad9e0ea8134bf3fbfe1f549a5ccb26997190d37bb0418bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05963",
    "kind": "arxiv",
    "version": 1
  }
}