Pith Number

pith:2EYQC5I5

pith:2009:2EYQC5I5E43HYE5AY3B2V6M2Z6

not attested not anchored not stored refs pending

The dependence of star formation on initial conditions and molecular cloud structure

Matthew R. Bate

arxiv:0905.3562 v1 · 2009-05-21 · astro-ph.SR · 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{2EYQC5I5E43HYE5AY3B2V6M2Z6}

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	2026-05-18T02:13:38.132591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d13101751d27367c13a0c6c3aaf99acf81fc7e699b53f402f9426449d64572c5

Aliases

arxiv: 0905.3562 · arxiv_version: 0905.3562v1 · doi: 10.48550/arxiv.0905.3562 · pith_short_12: 2EYQC5I5E43H · pith_short_16: 2EYQC5I5E43HYE5A · pith_short_8: 2EYQC5I5

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/2EYQC5I5E43HYE5AY3B2V6M2Z6 \
  | 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: d13101751d27367c13a0c6c3aaf99acf81fc7e699b53f402f9426449d64572c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ab25c252a7ff1ad08d536fa00cf1d721836f3116e17c5c8a6a62fb0c244164",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-21T20:52:05Z",
    "title_canon_sha256": "a1e03359ae5a06c4522295502a99a2cbd4f8b64b01284148f9b5f8f8e8561a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3562",
    "kind": "arxiv",
    "version": 1
  }
}