Pith Number

pith:U7IERQFJ

pith:2009:U7IERQFJ5QQP7YZMNAGIDUMUGW

not attested not anchored not stored refs pending

Quantifying the contamination by old main-sequence stars in young moving groups: the case of the Local Association

D. Montes, G. Micela, J. Lopez-Santiago

arxiv:0904.0196 v1 · 2009-04-01 · 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{U7IERQFJ5QQP7YZMNAGIDUMUGW}

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	2026-05-18T02:14:08.283735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d048c0a9ec20ffe32c680c81d19435b3f75bc5dcae1a4153b04332949a2345

Aliases

arxiv: 0904.0196 · arxiv_version: 0904.0196v1 · doi: 10.48550/arxiv.0904.0196 · pith_short_12: U7IERQFJ5QQP · pith_short_16: U7IERQFJ5QQP7YZM · pith_short_8: U7IERQFJ

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/U7IERQFJ5QQP7YZMNAGIDUMUGW \
  | 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: a7d048c0a9ec20ffe32c680c81d19435b3f75bc5dcae1a4153b04332949a2345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3013e758e7103af7c5dc5a19e58ee57e7d183f84c2f4458218967230d4e44a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-01T16:01:46Z",
    "title_canon_sha256": "6a1a9d11f6e3865d6ce0257072e48c9b71526a0608c9850e025bd69a43f81537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0196",
    "kind": "arxiv",
    "version": 1
  }
}