Pith Number

pith:HXH5KPDG

pith:2012:HXH5KPDG5Z5ESU5NGPQOP52NOM

not attested not anchored not stored refs pending

An Observed Lack of Substructure in Starless Cores II: Super-Jeans Cores

Doug Johnstone, James Di Francesco, Lisa Wei, Sarah Sadavoy, Scott Schnee

arxiv:1206.5008 v1 · 2012-06-21 · 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{HXH5KPDG5Z5ESU5NGPQOP52NOM}

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	2026-05-18T01:56:43.483737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dcfd53c66ee7a4953ad33e0e7f74d73142cacf3321fce8feaf762fb15bf8f0a

Aliases

arxiv: 1206.5008 · arxiv_version: 1206.5008v1 · doi: 10.48550/arxiv.1206.5008 · pith_short_12: HXH5KPDG5Z5E · pith_short_16: HXH5KPDG5Z5ESU5N · pith_short_8: HXH5KPDG

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/HXH5KPDG5Z5ESU5NGPQOP52NOM \
  | 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: 3dcfd53c66ee7a4953ad33e0e7f74d73142cacf3321fce8feaf762fb15bf8f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d81694ec3d7676eeda61d6ef661795503571751c1e12d037784d919c10731f57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-21T20:12:58Z",
    "title_canon_sha256": "4200163232478846ed7ece4cf5e1a079d786df98d469d447afbc44fea740626f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5008",
    "kind": "arxiv",
    "version": 1
  }
}