Pith Number

pith:RPYXCMUY

pith:2011:RPYXCMUYZTMFHP4LBP2CPHS2AM

not attested not anchored not stored refs pending

Probing the initial conditions of high-mass star formation. II. Fragmentation, stability, and chemistry

2), (2) Harvard-Smithsonian CfA, 3, (3) Initiative in Innovative Computing (IIC), 4), (4) JPL, (5) MPI fuer Radioastronomie, (6) University of Exeter, (7) University of British Columbia, (8) University of Hertfordshire), A.G. Gibb (7), F. Wyrowski (5), J. Hatchell (6), J. Kauffmann (2, M.A. Thompson (8) ((1) Caltech, T. Pillai (1

arxiv:1105.0004 v1 · 2011-04-29 · 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{RPYXCMUYZTMFHP4LBP2CPHS2AM}

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	2026-05-18T02:02:10.881477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf1713298ccd853bf8b0bf4279e5a033eec3d2acba00e12016853a937172199

Aliases

arxiv: 1105.0004 · arxiv_version: 1105.0004v1 · doi: 10.48550/arxiv.1105.0004 · pith_short_12: RPYXCMUYZTMF · pith_short_16: RPYXCMUYZTMFHP4L · pith_short_8: RPYXCMUY

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/RPYXCMUYZTMFHP4LBP2CPHS2AM \
  | 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: 8bf1713298ccd853bf8b0bf4279e5a033eec3d2acba00e12016853a937172199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f256766bc1a504538f6010b634a46de79cc3d7c2c3df3d20147900f6eed4bac0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-29T20:00:03Z",
    "title_canon_sha256": "a78293feec91fd762627b61d66740b69f2c5ada21bc4e2d74714d60a29b1b00e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0004",
    "kind": "arxiv",
    "version": 1
  }
}