Pith Number

pith:X7PP6XAB

pith:2011:X7PP6XAB6T7XX2DHGPSPXAOZS3

not attested not anchored not stored refs pending

Constraining the star formation rate in the Solar neighbourhood with star clusters

Charles Bonatto, Eduardo Bica

arxiv:1104.2182 v1 · 2011-04-12 · 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{X7PP6XAB6T7XX2DHGPSPXAOZS3}

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	2026-05-18T02:02:34.831796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfdeff5c01f4ff7be86733e4fb81d996d0ac716741f2a4351dae3ff27eb2cfb4

Aliases

arxiv: 1104.2182 · arxiv_version: 1104.2182v1 · doi: 10.48550/arxiv.1104.2182 · pith_short_12: X7PP6XAB6T7X · pith_short_16: X7PP6XAB6T7XX2DH · pith_short_8: X7PP6XAB

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/X7PP6XAB6T7XX2DHGPSPXAOZS3 \
  | 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: bfdeff5c01f4ff7be86733e4fb81d996d0ac716741f2a4351dae3ff27eb2cfb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cebd97d73757ace7c5d270ca59c16b1b8965326175c2cccca7f9f4d6f386a9c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-12T12:13:56Z",
    "title_canon_sha256": "2b5679ad4de333d93f3cdee9b171d7fbc1ae29d45cc61e254661f369f59d7dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2182",
    "kind": "arxiv",
    "version": 1
  }
}