Pith Number

pith:ULB2B2VQ

pith:2013:ULB2B2VQ5DQBH6OPM6KPVJO24Q

not attested not anchored not stored refs pending

Deriving precise parameters for cool solar-type stars. Optimizing the iron line list

A. Mortier, G. Israelian, M. Tsantaki, N. C. Santos, S. G. Sousa, V. Zh. Adibekyan

arxiv:1304.6639 v1 · 2013-04-24 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULB2B2VQ5DQBH6OPM6KPVJO24Q}

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	2026-05-18T01:50:22.432354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2c3a0eab0e8e013f9cf6794faa5dae4064889c538cd440c035a665c322bf98f

Aliases

arxiv: 1304.6639 · arxiv_version: 1304.6639v1 · doi: 10.48550/arxiv.1304.6639 · pith_short_12: ULB2B2VQ5DQB · pith_short_16: ULB2B2VQ5DQBH6OP · pith_short_8: ULB2B2VQ

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/ULB2B2VQ5DQBH6OPM6KPVJO24Q \
  | 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: a2c3a0eab0e8e013f9cf6794faa5dae4064889c538cd440c035a665c322bf98f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bb7655419c0e4580a3b92bf37351629f8e61bedc1459918bc4b6227ce49dad0",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-24T15:58:51Z",
    "title_canon_sha256": "f25ae68125a76484f464e9ef9c66dd8229c06bd8949fea946f2b300c8959b49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6639",
    "kind": "arxiv",
    "version": 1
  }
}