Pith Number

pith:APLGK2X2

pith:2009:APLGK2X2A6SFGVBUO7LOK3PS5N

not attested not anchored not stored refs pending

Dark impact and galactic star formation: Origin of the Gould belt

Kenji Bekki

arxiv:0906.5117 v1 · 2009-06-28 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APLGK2X2A6SFGVBUO7LOK3PS5N}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:13:12.188512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d6656afa07a453543477d6e56df2eb717336592025466c3f2564a64a77bd77

Aliases

arxiv: 0906.5117 · arxiv_version: 0906.5117v1 · doi: 10.48550/arxiv.0906.5117 · pith_short_12: APLGK2X2A6SF · pith_short_16: APLGK2X2A6SFGVBU · pith_short_8: APLGK2X2

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/APLGK2X2A6SFGVBUO7LOK3PS5N \
  | 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: 03d6656afa07a453543477d6e56df2eb717336592025466c3f2564a64a77bd77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f28892067468e29a2a10ac717db3f58942657cc594623a61f5c1da3e9cd388e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-28T06:53:31Z",
    "title_canon_sha256": "e3df442639c6559b116ff52c564973c76716a45a8fbfa3490751d82dd48cec6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5117",
    "kind": "arxiv",
    "version": 1
  }
}