pith. sign in
Pith Number

pith:L6XVB2NK

pith:2012:L6XVB2NK2WNUOUA4RRQASR32ZD
not attested not anchored not stored refs pending

The initial conditions of star formation: cosmic rays as the fundamental regulators

Padelis P. Papadopoulos, Wing-Fai Thi

arxiv:1207.2048 v3 · 2012-07-09 · astro-ph.HE · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{L6XVB2NK2WNUOUA4RRQASR32ZD}

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 2026-05-18T01:56:26.587143Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5faf50e9aad59b47501c8c6009477ac8f83c646697d651ff9fc7d3d2201c323c

Aliases

arxiv: 1207.2048 · arxiv_version: 1207.2048v3 · doi: 10.48550/arxiv.1207.2048 · pith_short_12: L6XVB2NK2WNU · pith_short_16: L6XVB2NK2WNUOUA4 · pith_short_8: L6XVB2NK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/L6XVB2NK2WNUOUA4RRQASR32ZD \
  | 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: 5faf50e9aad59b47501c8c6009477ac8f83c646697d651ff9fc7d3d2201c323c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dbdedaa7676253ac1ea6bd84caed2b0f36b2363ae71a241bb8bed7e937914702",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-09T14:00:04Z",
    "title_canon_sha256": "e8c5a2a1cbcbc76170b7bb44d95d39d52d06af71c6b75c23073ede8f9e7793a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2048",
    "kind": "arxiv",
    "version": 3
  }
}