pith. sign in
Pith Number

pith:OCFZOIEE

pith:2013:OCFZOIEE6U74FP6HQVF3U3Z7AE
not attested not anchored not stored refs pending

Fragmentation and dynamical collapse of the starless high-mass star-forming region IRDC18310-4

A. Schmiedeke, H. Beuther, H. Linz, J. Tackenberg, M. Nielbock, O. Krause, R. Launhardt, R. Smith, S. Bihr, S. Ragan, Th. Henning, T. Sakai

arxiv:1304.6820 v1 · 2013-04-25 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OCFZOIEE6U74FP6HQVF3U3Z7AE}

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 2026-05-18T01:50:22.079161Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

708b972084f53fc2bfc7854bba6f3f010ea3192d50810ca5ffad90f56557a8d9

Aliases

arxiv: 1304.6820 · arxiv_version: 1304.6820v1 · doi: 10.48550/arxiv.1304.6820 · pith_short_12: OCFZOIEE6U74 · pith_short_16: OCFZOIEE6U74FP6H · pith_short_8: OCFZOIEE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OCFZOIEE6U74FP6HQVF3U3Z7AE \
  | 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: 708b972084f53fc2bfc7854bba6f3f010ea3192d50810ca5ffad90f56557a8d9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e533a44d9d5592f810e54ece6acc8d2fcaf1353db851c90bd7a6be0fbba3f3dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-25T07:14:33Z",
    "title_canon_sha256": "f7423a89dab5b214efb71f7b9e3c13e0d7c1de5d3d1b8f8ff62e833644a4992a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6820",
    "kind": "arxiv",
    "version": 1
  }
}