Pith Number

pith:ZWDN63NU

pith:2009:ZWDN63NUZHRJSRLPLEZTPHVJMB

not attested not anchored not stored refs pending

Star Formation Triggered by Supernova Explosions in Young Galaxies

Kazuyuki Omukai, Takanori Nagakura, Takashi Hosokawa

arxiv:0907.3667 v1 · 2009-07-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWDN63NUZHRJSRLPLEZTPHVJMB}

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	2026-05-18T02:12:54.999391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd86df6db4c9e299456f5933379ea9604e23a93dd3d40a259c84efb1bc0d329d

Aliases

arxiv: 0907.3667 · arxiv_version: 0907.3667v1 · doi: 10.48550/arxiv.0907.3667 · pith_short_12: ZWDN63NUZHRJ · pith_short_16: ZWDN63NUZHRJSRLP · pith_short_8: ZWDN63NU

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/ZWDN63NUZHRJSRLPLEZTPHVJMB \
  | 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: cd86df6db4c9e299456f5933379ea9604e23a93dd3d40a259c84efb1bc0d329d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a898723d459a8d15778e849837482eaddf83407504a98909e04854cdeec3d375",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-21T14:41:25Z",
    "title_canon_sha256": "1aaf06634c33ba17da65024d3627c8dd63670c2d5889430445d379d175b52a18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3667",
    "kind": "arxiv",
    "version": 1
  }
}