Pith Number

pith:EXQ7IWU5

pith:2016:EXQ7IWU5UGA4WW2AQR6YLXAFDA

not attested not anchored not stored refs pending

Mass effect on the lithium abundance evolution of open clusters: Hyades, NGC 752, and M67

Giancarlo Pace, Jos\'e Dias do Nascimento Jr, Matthieu Castro, Tharc\'isyo Duarte

arxiv:1603.08809 v1 · 2016-03-29 · 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{EXQ7IWU5UGA4WW2AQR6YLXAFDA}

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	2026-05-18T01:13:53.478023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e1f45a9da181cb5b40847d85dc0518182d42c055e202c326b9b906383e30cd

Aliases

arxiv: 1603.08809 · arxiv_version: 1603.08809v1 · doi: 10.48550/arxiv.1603.08809 · pith_short_12: EXQ7IWU5UGA4 · pith_short_16: EXQ7IWU5UGA4WW2A · pith_short_8: EXQ7IWU5

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/EXQ7IWU5UGA4WW2AQR6YLXAFDA \
  | 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: 25e1f45a9da181cb5b40847d85dc0518182d42c055e202c326b9b906383e30cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "196731ba18aaaf0674ef3cc5a02e9054114bbc584353ee9bc3811f8c932c1434",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-29T15:21:54Z",
    "title_canon_sha256": "9d40201c4ed0b5871a5fa37f4c385a39fc31f315506d3331c65aaf89a068d2c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08809",
    "kind": "arxiv",
    "version": 1
  }
}