Pith Number

pith:C4I3LTH3

pith:2018:C4I3LTH342VVJALCH3L2ZSSBNC

not attested not anchored not stored refs pending

Isothermal Fragmentation: Is there a low-mass cut-off?

Christoph Federrath, David Guszejnov, Mark R. Krumholz, Michael Y. Grudic, Philip F. Hopkins

arxiv:1804.08574 v2 · 2018-04-23 · 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{C4I3LTH342VVJALCH3L2ZSSBNC}

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	2026-05-18T00:08:42.135914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1711b5ccfbe6ab5481623ed7acca4168a6e2d608fb30b35eb84af5990254783b

Aliases

arxiv: 1804.08574 · arxiv_version: 1804.08574v2 · doi: 10.48550/arxiv.1804.08574 · pith_short_12: C4I3LTH342VV · pith_short_16: C4I3LTH342VVJALC · pith_short_8: C4I3LTH3

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/C4I3LTH342VVJALCH3L2ZSSBNC \
  | 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: 1711b5ccfbe6ab5481623ed7acca4168a6e2d608fb30b35eb84af5990254783b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6930dd877fd0797ed5fa877f9c972cf0f7a9c5204189f2f9048215a54015b63d",
    "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": "2018-04-23T17:14:22Z",
    "title_canon_sha256": "41f36948f9b896fdd892184b9a2f9244d5ed726719f2ab0063ce1a4d78f204a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08574",
    "kind": "arxiv",
    "version": 2
  }
}