Pith Number

pith:M4TYRZGP

pith:2009:M4TYRZGPLVQ3HSVOIXBAQURRD4

not attested not anchored not stored refs pending

Beryllium abundances along the evolutionary sequence of the open cluster IC 4651 - New test for hydrodynamical stellar models

Corinne Charbonnel, Luca Pasquini, Nadege Lagarde, Rodolfo Smiljanic

arxiv:0910.4399 v2 · 2009-10-22 · 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{M4TYRZGPLVQ3HSVOIXBAQURRD4}

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	2026-05-18T02:11:12.442991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

672788e4cf5d61b3caae45c20852311f0617d4b792c22edb1798a6115325f32d

Aliases

arxiv: 0910.4399 · arxiv_version: 0910.4399v2 · doi: 10.48550/arxiv.0910.4399 · pith_short_12: M4TYRZGPLVQ3 · pith_short_16: M4TYRZGPLVQ3HSVO · pith_short_8: M4TYRZGP

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/M4TYRZGPLVQ3HSVOIXBAQURRD4 \
  | 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: 672788e4cf5d61b3caae45c20852311f0617d4b792c22edb1798a6115325f32d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c17abd8bee08e107e65bdb3ae58ffcaeb61ef8f0b634608af37e7f7eb0394f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-22T20:22:28Z",
    "title_canon_sha256": "68da7b3ef9f820a1ff5c869832692d23a2b457476e3c878ccfdeb5df52d9a29b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4399",
    "kind": "arxiv",
    "version": 2
  }
}