Pith Number

pith:NLWELCUB

pith:2013:NLWELCUBPWUUOICG2LLY3FG4H2

not attested not anchored not stored refs pending

Identification of metal-poor stars using the artificial neural network

(2) Cerro Tololo Inter-American Observatory, (3) CREST Campus, (4) Vainu Bappu Observatory, Andrea Kunder (2), Aruna Goswami (1), Bangalore, Casilla, Chile, G. Selvakumar (4) ((1) Indian Institute of Astrophysics, Hosakote, India, India), Indian Institute of astrophysics, Kavalur, Koramangala, La Serena, NOAO, S. Muneer (3), Sunetra Giridhar (1)

arxiv:1307.6308 v1 · 2013-07-24 · 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{NLWELCUBPWUUOICG2LLY3FG4H2}

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	2026-05-18T01:48:40.785499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aec458a817da9472046d2d78d94dc3ea2902b7e5b8f02a1e43c232de7a2bbbe

Aliases

arxiv: 1307.6308 · arxiv_version: 1307.6308v1 · doi: 10.48550/arxiv.1307.6308 · pith_short_12: NLWELCUBPWUU · pith_short_16: NLWELCUBPWUUOICG · pith_short_8: NLWELCUB

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/NLWELCUBPWUUOICG2LLY3FG4H2 \
  | 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: 6aec458a817da9472046d2d78d94dc3ea2902b7e5b8f02a1e43c232de7a2bbbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650783206953cb65f6b201c4c99ece55b52eff40c0c25330b24306d5b50c76dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-24T07:10:08Z",
    "title_canon_sha256": "5735803ab5e0b564082e16152722b73da864d750f89ebdd41ad8072b7d0ff03a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6308",
    "kind": "arxiv",
    "version": 1
  }
}