Pith Number

pith:YMXYZA3C

pith:2009:YMXYZA3C7LIIZR5GXUSAK5X32B

not attested not anchored not stored refs pending

IMF from infrared photometry of young stellar clusters in Taurus-Auriga and Orion

Irene Cruz-Gonzalez, Luis Salas

arxiv:0909.4560 v1 · 2009-09-24 · 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{YMXYZA3C7LIIZR5GXUSAK5X32B}

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	2026-05-18T02:34:27.695700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c32f8c8362fad08cc7a6bd240576fbd07d7feff2cf4e44929883372d501b2927

Aliases

arxiv: 0909.4560 · arxiv_version: 0909.4560v1 · doi: 10.48550/arxiv.0909.4560 · pith_short_12: YMXYZA3C7LII · pith_short_16: YMXYZA3C7LIIZR5G · pith_short_8: YMXYZA3C

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/YMXYZA3C7LIIZR5GXUSAK5X32B \
  | 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: c32f8c8362fad08cc7a6bd240576fbd07d7feff2cf4e44929883372d501b2927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e396b4ed0e605930d29535860a72a127d91a820f116f28c5620e5c297cf817f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-24T21:35:16Z",
    "title_canon_sha256": "3b9bf1ba92d530b27716ef7ddcdcf564bfb12ab8a585e77f49fd5695e50cf9ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4560",
    "kind": "arxiv",
    "version": 1
  }
}