Pith Number

pith:D5GIPZMR

pith:2010:D5GIPZMR76YTEGIOGT6WNZX2Q2

not attested not anchored not stored refs pending

Beryllium abundances and the formation of the halo and the thick disk

B. Barbuy, D. Galli, L. Pasquini, P. Bonifacio, R. Gratton, R. Smiljanic, S. Randich

arxiv:1001.1834 v1 · 2010-01-12 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5GIPZMR76YTEGIOGT6WNZX2Q2}

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	2026-05-18T02:10:02.728545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f4c87e591ffb132190e34fd66e6fa869998afb05a7cacc3bf9ddb2eb84b42fd

Aliases

arxiv: 1001.1834 · arxiv_version: 1001.1834v1 · doi: 10.48550/arxiv.1001.1834 · pith_short_12: D5GIPZMR76YT · pith_short_16: D5GIPZMR76YTEGIO · pith_short_8: D5GIPZMR

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/D5GIPZMR76YTEGIOGT6WNZX2Q2 \
  | 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: 1f4c87e591ffb132190e34fd66e6fa869998afb05a7cacc3bf9ddb2eb84b42fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e4318152b8258c4ef02c61a52034f992ab59731d2ade9a73757eff118b3b70",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-01-12T09:54:38Z",
    "title_canon_sha256": "0633586ad3d28ee2480c01b5e717f89557ed044d0b06deedf2addc0bec8a6746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1834",
    "kind": "arxiv",
    "version": 1
  }
}