Pith Number

pith:NIEPF4JJ

pith:2011:NIEPF4JJMD5NJEBT6F7KWZ4QBC

not attested not anchored not stored refs pending

The turbulent fragmentation of the interstellar medium: The impact of metallicity on global star formation

A. Burkert, A. Whitworth, R. Wuensch, S. Glover, S. Walch

arxiv:1101.2894 v2 · 2011-01-14 · astro-ph.GA · astro-ph.CO · astro-ph.SR · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIEPF4JJMD5NJEBT6F7KWZ4QBC}

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	2026-05-18T02:03:39.855944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a08f2f12960fad49033f17eab6790088dac37b1870ab1c0b464f73f0e63d581

Aliases

arxiv: 1101.2894 · arxiv_version: 1101.2894v2 · doi: 10.48550/arxiv.1101.2894 · pith_short_12: NIEPF4JJMD5N · pith_short_16: NIEPF4JJMD5NJEBT · pith_short_8: NIEPF4JJ

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/NIEPF4JJMD5NJEBT6F7KWZ4QBC \
  | 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: 6a08f2f12960fad49033f17eab6790088dac37b1870ab1c0b464f73f0e63d581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fcdfc5157098d29a4610f922975e00cf7afad42a6d6db2fbc9ae252812cf114",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-01-14T21:00:01Z",
    "title_canon_sha256": "963fb8f5938144dbc08e76ec210681f7ebc06eb663fd89b3a9a9ce5989e3d8e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2894",
    "kind": "arxiv",
    "version": 2
  }
}