Pith Number

pith:27GHPLPA

pith:2013:27GHPLPAJVKKFVUNH6LNXPIT34

not attested not anchored not stored refs pending

Barium and Yttrium abundance in intermediate-age and old open clusters

G. Carraro, I.A. Yegorova, S. Korotin, T. Mishenina, V.V. Kovtyukh

arxiv:1305.1909 v1 · 2013-05-08 · 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{27GHPLPAJVKKFVUNH6LNXPIT34}

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	2026-05-18T01:50:04.595629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7cc77ade04d54a2d68d3f96dbbd13df3cbeee1b0212503891a93b2c29152c97

Aliases

arxiv: 1305.1909 · arxiv_version: 1305.1909v1 · doi: 10.48550/arxiv.1305.1909 · pith_short_12: 27GHPLPAJVKK · pith_short_16: 27GHPLPAJVKKFVUN · pith_short_8: 27GHPLPA

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/27GHPLPAJVKKFVUNH6LNXPIT34 \
  | 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: d7cc77ade04d54a2d68d3f96dbbd13df3cbeee1b0212503891a93b2c29152c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12ce0c3696527fb1f29de2c679fc3d29af27f7eb1bd4aea20394a4869b9fe54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-08T18:17:12Z",
    "title_canon_sha256": "83224e05428930095715780df6ef8895e6c54ae1786be9e05acf3076566cf8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1909",
    "kind": "arxiv",
    "version": 1
  }
}