Pith Number

pith:SWI3V7SN

pith:2021:SWI3V7SNSTFCZUP2GIYHLXX6DM

not attested not anchored not stored refs pending

An ALMA study of hub-filament systems I. On the clump mass concentration within the most massive cores

Adam Avison, Alessio Traficante, Ana Duarte-Cabral, Andrew J. Rigby, Gary A. Fuller, Gwenllian M. Williams, Michael Anderson, Nicolas Peretto, Sarah E. Ragan, Yancy L. Shirley

arxiv:2109.07489 v1 · 2021-09-15 · 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{SWI3V7SNSTFCZUP2GIYHLXX6DM}

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	2026-07-05T03:18:22.074118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9591bafe4d94ca2cd1fa323075defe1b2f2fd26d42a4c41251691a04a1e4eeb0

Aliases

arxiv: 2109.07489 · arxiv_version: 2109.07489v1 · doi: 10.48550/arxiv.2109.07489 · pith_short_12: SWI3V7SNSTFC · pith_short_16: SWI3V7SNSTFCZUP2 · pith_short_8: SWI3V7SN

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/SWI3V7SNSTFCZUP2GIYHLXX6DM \
  | 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: 9591bafe4d94ca2cd1fa323075defe1b2f2fd26d42a4c41251691a04a1e4eeb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f2e2a6f5fc00a522dffac26d70d384ff10a2029a1932aab4565605d193bc368",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-15T18:00:06Z",
    "title_canon_sha256": "e305c4c6cdf8f14e53d611ede7805fd1ac2cdc22b812d14411d2317abff50fcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07489",
    "kind": "arxiv",
    "version": 1
  }
}