Pith Number

pith:PTZ4IMB5

pith:2015:PTZ4IMB5NXF4I6TMYIXBH6LIAD

not attested not anchored not stored refs pending

Is beryllium ultra-depletion in solar-type stars linked to the presence of a white dwarf companion?

M. Lugaro, S. Desidera, V. D'Orazi

arxiv:1511.00993 v1 · 2015-11-03 · 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{PTZ4IMB5NXF4I6TMYIXBH6LIAD}

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	2026-05-18T01:19:01.749788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cf3c4303d6dcbc47a6cc22e13f96800fa50c76a1e4bfd5aca22b7dfacd56710

Aliases

arxiv: 1511.00993 · arxiv_version: 1511.00993v1 · doi: 10.48550/arxiv.1511.00993 · pith_short_12: PTZ4IMB5NXF4 · pith_short_16: PTZ4IMB5NXF4I6TM · pith_short_8: PTZ4IMB5

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/PTZ4IMB5NXF4I6TMYIXBH6LIAD \
  | 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: 7cf3c4303d6dcbc47a6cc22e13f96800fa50c76a1e4bfd5aca22b7dfacd56710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0feee3e1ddce536bf1226cd01249f429913974580234b80b53f65f11593b958a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-03T17:17:42Z",
    "title_canon_sha256": "6f92c0d09b91d3c5886ca8898835b23822d2424822c7286cdee594cca5ea58c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00993",
    "kind": "arxiv",
    "version": 1
  }
}