Pith Number

pith:6KUMNYTU

pith:2014:6KUMNYTUDVCSCTJUS2MHMSEJHU

not attested not anchored not stored refs pending

Extreme dust disks in Arp 220 as revealed by ALMA

C. D. Wilson, J. Glenn, L. Spinoglio, M. Pereira-Santaella, N. Rangwala, P. R. Maloney

arxiv:1406.4530 v1 · 2014-06-17 · 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{6KUMNYTUDVCSCTJUS2MHMSEJHU}

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	2026-05-18T01:42:55.583741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2a8c6e2741d45214d3496987648893d34ecc036ea6795ae32c53fa44461dcd0

Aliases

arxiv: 1406.4530 · arxiv_version: 1406.4530v1 · doi: 10.48550/arxiv.1406.4530 · pith_short_12: 6KUMNYTUDVCS · pith_short_16: 6KUMNYTUDVCSCTJU · pith_short_8: 6KUMNYTU

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/6KUMNYTUDVCSCTJUS2MHMSEJHU \
  | 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: f2a8c6e2741d45214d3496987648893d34ecc036ea6795ae32c53fa44461dcd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb026e0521506254b54b6ece92d38a7176a77f08c057044121e24402da4ac1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-17T20:34:51Z",
    "title_canon_sha256": "2165ac92c4b8d3d77ae86742305096a76dec25497ba6b5a30c45f14130d12eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4530",
    "kind": "arxiv",
    "version": 1
  }
}