Pith Number

pith:IFRYC5YY

pith:2009:IFRYC5YYZYMBU6XP774XNJCHPS

not attested not anchored not stored refs pending

Hierarchical Star Formation: Stars and Stellar Clusters in the Gould Belt

E.J. Alfaro, F. Elias, J. Cabrera-Cano

arxiv:0903.0596 v1 · 2009-03-03 · astro-ph.GA · 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{IFRYC5YYZYMBU6XP774XNJCHPS}

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	2026-05-18T02:14:37.530438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4163817718ce181a7aeffff976a4477cbb267aeb64b9a8354d9693d6cc77ec1f

Aliases

arxiv: 0903.0596 · arxiv_version: 0903.0596v1 · doi: 10.48550/arxiv.0903.0596 · pith_short_12: IFRYC5YYZYMB · pith_short_16: IFRYC5YYZYMBU6XP · pith_short_8: IFRYC5YY

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/IFRYC5YYZYMBU6XP774XNJCHPS \
  | 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: 4163817718ce181a7aeffff976a4477cbb267aeb64b9a8354d9693d6cc77ec1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9025bdd2290e9ef7c0f74338e071fd4eaf899259ef701f47fd609be41c5c05f0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-03T19:04:10Z",
    "title_canon_sha256": "6e6f6caedc0d82bdc13b29d7a5a57822d13042b454066e91fab5f64502a96e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0596",
    "kind": "arxiv",
    "version": 1
  }
}