Pith Number

pith:N6KUDO7V

pith:2010:N6KUDO7VUVE2QA7QCPFQP7DZFX

not attested not anchored not stored refs pending

An Observed Lack of Substructure in Starless Cores

Anneila Sargent, Daniel P. Marrone, Doug Johnstone, Erik Leitch, Melissa Enoch, Scott Schnee, Thomas Culverhouse

arxiv:1005.5169 v1 · 2010-05-27 · 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{N6KUDO7VUVE2QA7QCPFQP7DZFX}

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	2026-05-18T02:07:07.065997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f9541bbf5a549a803f013cb07fc792dda489fe05b004333d9deecf9d8121b24

Aliases

arxiv: 1005.5169 · arxiv_version: 1005.5169v1 · doi: 10.48550/arxiv.1005.5169 · pith_short_12: N6KUDO7VUVE2 · pith_short_16: N6KUDO7VUVE2QA7Q · pith_short_8: N6KUDO7V

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/N6KUDO7VUVE2QA7QCPFQP7DZFX \
  | 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: 6f9541bbf5a549a803f013cb07fc792dda489fe05b004333d9deecf9d8121b24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "341615d28cf818af8788155698c7e453e9b58950a0b7a556a573a9a7c1cadafa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-05-27T20:05:38Z",
    "title_canon_sha256": "efcba8f3c4611120fabedc7b5aae817e5ac121af7d90ac0595e293c6be3bc0f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5169",
    "kind": "arxiv",
    "version": 1
  }
}