Pith Number

pith:FEYFTDHX

pith:2009:FEYFTDHXOIWB4OGQYO6D5WSUH3

not attested not anchored not stored refs pending

The properties of SCUBA cores in the Perseus molecular cloud: the bias of clump-finding algorithms

Emily I. Curtis, John S. Richer

arxiv:0910.4070 v1 · 2009-10-21 · 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{FEYFTDHXOIWB4OGQYO6D5WSUH3}

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	2026-05-18T02:11:13.326879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2930598cf7722c1e38d0c3bc3eda543ed76dc4767a6c34bcb4bb905a9035fa72

Aliases

arxiv: 0910.4070 · arxiv_version: 0910.4070v1 · doi: 10.48550/arxiv.0910.4070 · pith_short_12: FEYFTDHXOIWB · pith_short_16: FEYFTDHXOIWB4OGQ · pith_short_8: FEYFTDHX

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/FEYFTDHXOIWB4OGQYO6D5WSUH3 \
  | 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: 2930598cf7722c1e38d0c3bc3eda543ed76dc4767a6c34bcb4bb905a9035fa72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df58f1974c943884d7eb67ba854b2da91ed3b1a7245e83f66325a53ff30668d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-21T15:17:42Z",
    "title_canon_sha256": "f396aed9ad61ce7a3f3e89e1ffd9e90543d7541e7ffe1cdf55d7b367cbe4125d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4070",
    "kind": "arxiv",
    "version": 1
  }
}