Pith Number

pith:7CZX7ZZU

pith:2013:7CZX7ZZU2ZKGX4TLXFA76HFU2G

not attested not anchored not stored refs pending

The origin of physical variations in the star formation law

Christoph Federrath

arxiv:1307.1467 v6 · 2013-07-04 · astro-ph.GA · astro-ph.CO · 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{7CZX7ZZU2ZKGX4TLXFA76HFU2G}

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	2026-05-18T03:05:01.360127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8b37fe734d6546bf26bb941ff1cb4d196d3f88a3fa35bccdf898c2215fb2dc9

Aliases

arxiv: 1307.1467 · arxiv_version: 1307.1467v6 · doi: 10.48550/arxiv.1307.1467 · pith_short_12: 7CZX7ZZU2ZKG · pith_short_16: 7CZX7ZZU2ZKGX4TL · pith_short_8: 7CZX7ZZU

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/7CZX7ZZU2ZKGX4TLXFA76HFU2G \
  | 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: f8b37fe734d6546bf26bb941ff1cb4d196d3f88a3fa35bccdf898c2215fb2dc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f0dc4ccfc947480fac3339ebf7ce8a9b5bad8f8a306a4d3516c23993e0a621",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-04T20:00:00Z",
    "title_canon_sha256": "5727d5ea807945f42b0cd35c870df0e0e0cf71bc4aaf22a604d2b37439d2a077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1467",
    "kind": "arxiv",
    "version": 6
  }
}