Pith Number

pith:ANDUSNSC

pith:2025:ANDUSNSCYXFUAOG6NFTIGTS3LB

not attested not anchored not stored refs pending

A neural network approach to determining photometric metallicities of M-type dwarf stars

C. Duque-Arribas, D. Montes, E. Galceran, H. M. Tabernero, J. A. Caballero

arxiv:2505.16539 v1 · 2025-05-22 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANDUSNSCYXFUAOG6NFTIGTS3LB}

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	2026-07-05T11:07:37.050710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0347493642c5cb4038de6966834e5b587baa02bd68ea24af65af7edb978e1fa1

Aliases

arxiv: 2505.16539 · arxiv_version: 2505.16539v1 · doi: 10.48550/arxiv.2505.16539 · pith_short_12: ANDUSNSCYXFU · pith_short_16: ANDUSNSCYXFUAOG6 · pith_short_8: ANDUSNSC

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/ANDUSNSCYXFUAOG6NFTIGTS3LB \
  | 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: 0347493642c5cb4038de6966834e5b587baa02bd68ea24af65af7edb978e1fa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fefe8ccce6f44d832560a6c3e4a95d02c62700202ef12b33453da2d5da1b3c14",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-22T11:30:01Z",
    "title_canon_sha256": "ef8d596fc89a6d621632f8a019cd4853fb4a11d03b8502d8625a6bdbeac97580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16539",
    "kind": "arxiv",
    "version": 1
  }
}