Pith Number

pith:7YP4L4JU

pith:2017:7YP4L4JUNQVDB55UVOZDB2PSCG

not attested not anchored not stored refs pending

Carbon-enhanced metal-poor 3D model atmospheres

A.J. Gallagher, E. Caffau, H.-G. Ludwig, M. Steffen, P. Bonifacio

arxiv:1708.05686 v1 · 2017-08-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YP4L4JUNQVDB55UVOZDB2PSCG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:07:43.734928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe1fc5f1346c2a30f7b4abb230e9f211b3c2bd611391c3c3fb913f3db7f1d487

Aliases

arxiv: 1708.05686 · arxiv_version: 1708.05686v1 · doi: 10.48550/arxiv.1708.05686 · pith_short_12: 7YP4L4JUNQVD · pith_short_16: 7YP4L4JUNQVDB55U · pith_short_8: 7YP4L4JU

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/7YP4L4JUNQVDB55UVOZDB2PSCG \
  | 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: fe1fc5f1346c2a30f7b4abb230e9f211b3c2bd611391c3c3fb913f3db7f1d487

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faefa861300c8260d4edb0014b0a44713eafd1d53e07506606f80c63f19497e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-08-17T13:54:16Z",
    "title_canon_sha256": "af8b944b7fe3e60ad2bbf8073ed59abcb331b6cf0cb5b97a97420df52473f8c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05686",
    "kind": "arxiv",
    "version": 1
  }
}