Pith Number

pith:DPSQDN7K

pith:2005:DPSQDN7K2GHCG4AVBTUROLSX6Q

not attested not anchored not stored refs pending

On the nature of Lithium-rich giant stars: constraints from Beryllium abundances

C. H. F. Melo, G. Israelian, J. D. do Nascimento Jr., J. R. De Medeiros, N. C. Santos, P. de Laverny, S. Randich

arxiv:astro-ph/0504133 v1 · 2005-04-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPSQDN7K2GHCG4AVBTUROLSX6Q}

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	2026-07-04T16:51:52.675383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be501b7ead18e2370150ce9172e57f4014fbd55fce7cb6b8ae1a5b6b262b442

Aliases

arxiv: astro-ph/0504133 · arxiv_version: astro-ph/0504133v1 · doi: 10.48550/arxiv.astro-ph/0504133 · pith_short_12: DPSQDN7K2GHC · pith_short_16: DPSQDN7K2GHCG4AV · pith_short_8: DPSQDN7K

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/DPSQDN7K2GHCG4AVBTUROLSX6Q \
  | 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: 1be501b7ead18e2370150ce9172e57f4014fbd55fce7cb6b8ae1a5b6b262b442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed5c0b050014a69c05040d7b952e8417ebb7919b39210a76f57b7ec79f4fa656",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-06T00:31:48Z",
    "title_canon_sha256": "3242d80a7d52790bfe474e4da9ec85d1f92fc136567b84532095b28d8a62a170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504133",
    "kind": "arxiv",
    "version": 1
  }
}