Pith Number

pith:BQXHIW3D

pith:2009:BQXHIW3DEDJEND2VN7BXEIFAJ3

not attested not anchored not stored refs pending

Dense Cores in Perseus: The Influence of Stellar Content and Cluster Environment

Alyssa A. Goodman, Erik W. Rosolowsky, Jaime E. Pineda, Jens Kauffman, Jonathan B. Foster, Michelle A. Borkin, Paola Caselli, Phil C. Myers

arxiv:0902.0536 v1 · 2009-02-03 · astro-ph.SR · 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{BQXHIW3DEDJEND2VN7BXEIFAJ3}

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	2026-05-18T04:29:16.885015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2e745b6320d2468f556fc37220a04ee84dc4f2ec8401936ccc92db89b33a27

Aliases

arxiv: 0902.0536 · arxiv_version: 0902.0536v1 · doi: 10.48550/arxiv.0902.0536 · pith_short_12: BQXHIW3DEDJE · pith_short_16: BQXHIW3DEDJEND2V · pith_short_8: BQXHIW3D

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/BQXHIW3DEDJEND2VN7BXEIFAJ3 \
  | 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: 0c2e745b6320d2468f556fc37220a04ee84dc4f2ec8401936ccc92db89b33a27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86adf17b8852921c56b17eef0c0c6f779aadbd5f29f5232be2f5d8fe4b47062a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-03T16:08:10Z",
    "title_canon_sha256": "61432e264527c84c19706d6fe605f47e7ccb5984672248eb5d6f37542c1cefd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0536",
    "kind": "arxiv",
    "version": 1
  }
}