Pith Number

pith:7VZCVGEE

pith:2012:7VZCVGEE2HOMCEKYF3CNFZ2V4Y

not attested not anchored not stored refs pending

A Simple Perspective on the Mass-Area Relationship in Molecular Clouds

Alyssa Goodman, Carlos Roman-Zuniga, Charles Lada, Christopher Beaumont, Jens Kauffmann, Joao Alves, Marco Lombardi

arxiv:1204.2557 v1 · 2012-04-11 · 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{7VZCVGEE2HOMCEKYF3CNFZ2V4Y}

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	2026-05-18T01:57:53.374928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd722a9884d1dcc111582ec4d2e755e632e266858fa61a4ac3759082ebae3a52

Aliases

arxiv: 1204.2557 · arxiv_version: 1204.2557v1 · doi: 10.48550/arxiv.1204.2557 · pith_short_12: 7VZCVGEE2HOM · pith_short_16: 7VZCVGEE2HOMCEKY · pith_short_8: 7VZCVGEE

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/7VZCVGEE2HOMCEKYF3CNFZ2V4Y \
  | 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: fd722a9884d1dcc111582ec4d2e755e632e266858fa61a4ac3759082ebae3a52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05717503e617dee2574914b790adcfd34eee06322a3b8c7ccd9940002af86ad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-11T20:00:51Z",
    "title_canon_sha256": "4ae7cc9da19d30a31a92fc3bb5c2c0a4f4c137516898e1ef993091cd1dff2ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2557",
    "kind": "arxiv",
    "version": 1
  }
}