Pith Number

pith:Z2ITOXOK

pith:2016:Z2ITOXOKAT3SHVJ7TRBMPQYXGF

not attested not anchored not stored refs pending

A critical reassessment of the fundamental properties of GJ 504: Chemical composition and age

Antonino F. Lanza, Elvira Covino, Markus Janson, Mickael Bonnefoy, Raffaele Gratton, Serena Benatti, Sergei M. Andrievsky, Sergey Korotin, Sergio Messina, Silvano Desidera, Valentina D'Orazi

arxiv:1609.02530 v2 · 2016-09-08 · 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{Z2ITOXOKAT3SHVJ7TRBMPQYXGF}

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	2026-05-18T00:52:09.306694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce91375dca04f723d53f9c42c7c31731688e217c99c5e0fe0c57cb65bfb74f0d

Aliases

arxiv: 1609.02530 · arxiv_version: 1609.02530v2 · doi: 10.48550/arxiv.1609.02530 · pith_short_12: Z2ITOXOKAT3S · pith_short_16: Z2ITOXOKAT3SHVJ7 · pith_short_8: Z2ITOXOK

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/Z2ITOXOKAT3SHVJ7TRBMPQYXGF \
  | 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: ce91375dca04f723d53f9c42c7c31731688e217c99c5e0fe0c57cb65bfb74f0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a1803271c83b385d7a4e30448cc21edfde3671f29a139d75eab173ca0d4a0bb",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-08T19:00:10Z",
    "title_canon_sha256": "20f741df034eaaf9ca23bd2f68df619bf94cc4f3a91587c7fe3116e2545802ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02530",
    "kind": "arxiv",
    "version": 2
  }
}