Pith Number

pith:DOE6M7J3

pith:2011:DOE6M7J3EEJ7GY65XQPSHJ5KZZ

not attested not anchored not stored refs pending

Beryllium and Alpha-Element Abundances in a Large Sample of Metal-Poor Stars

Ann Merchant Boesgaard, Brendan P. Bowler, Emily M. Levesque, Jeffrey A. Rich

arxiv:1110.2823 v1 · 2011-10-13 · 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{DOE6M7J3EEJ7GY65XQPSHJ5KZZ}

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	2026-05-18T02:00:12.930561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b89e67d3b2113f363ddbc1f23a7aace777914c941461638d39e6d846bf218d2

Aliases

arxiv: 1110.2823 · arxiv_version: 1110.2823v1 · doi: 10.48550/arxiv.1110.2823 · pith_short_12: DOE6M7J3EEJ7 · pith_short_16: DOE6M7J3EEJ7GY65 · pith_short_8: DOE6M7J3

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/DOE6M7J3EEJ7GY65XQPSHJ5KZZ \
  | 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: 1b89e67d3b2113f363ddbc1f23a7aace777914c941461638d39e6d846bf218d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46bd276eba94867bff09b5ba73137e9ece5346a7b1a51246f6bf440bb81b1a7d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-13T01:17:41Z",
    "title_canon_sha256": "cb5a0a3a2671abd69ab2df53689874810a03ee90b44e1650193de5b6b5c4b049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2823",
    "kind": "arxiv",
    "version": 1
  }
}