Pith Number

pith:33ITBQMD

pith:2013:33ITBQMDNZWTYDAP36MRAUPAAO

not attested not anchored not stored refs pending

The Effects of Inhomogeneities within Colliding Flows on the Formation and Evolution of Molecular Clouds

Adam Frank, Fabian Heitsch, Jonathan Carroll-Nellenback

arxiv:1304.1367 v2 · 2013-04-04 · 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{33ITBQMDNZWTYDAP36MRAUPAAO}

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	2026-05-18T02:03:38.328062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded130c1836e6d3c0c0fdf991051e00391bd801791c0d3e37aee8740157657f7

Aliases

arxiv: 1304.1367 · arxiv_version: 1304.1367v2 · doi: 10.48550/arxiv.1304.1367 · pith_short_12: 33ITBQMDNZWT · pith_short_16: 33ITBQMDNZWTYDAP · pith_short_8: 33ITBQMD

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/33ITBQMDNZWTYDAP36MRAUPAAO \
  | 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: ded130c1836e6d3c0c0fdf991051e00391bd801791c0d3e37aee8740157657f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ada10e7cedde1d96298ea599723d093f9550aab58028ca4bec1033edb8f6f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-04T14:01:22Z",
    "title_canon_sha256": "c3770f0e427f80d20bfb11d2beb0cbf146cc8d67e3b2fabde3265d0f0c8e141d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1367",
    "kind": "arxiv",
    "version": 2
  }
}