Pith Number

pith:HUPDICTT

pith:2021:HUPDICTTUNIPLKMN73DA57WBQX

not attested not anchored not stored refs pending

AlFoCS + F3D II: unexpectedly low gas-to-dust ratios in the Fornax galaxy cluster

Alessandro Loni, B\"arbel S. Koribalski, Dane Kleiner, Enrichetta Iodice, Francesca Pinna, George J. Bendo, Ilse De Looze, Maarten Baes, Marc Sarzi, Maritza A. Lara-L\'opez, Matthew W. L. Smith, Nikki Zabel, Paolo Serra, Phil Cigan, P. Tim de Zeeuw, Reynier Peletier, Timothy A. Davis

arxiv:2102.02148 v1 · 2021-02-03 · 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{HUPDICTTUNIPLKMN73DA57WBQX}

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	2026-07-05T02:15:41.891822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1e340a73a350f5a98dfec60efec185f530d54b7f114165f427f91039222553

Aliases

arxiv: 2102.02148 · arxiv_version: 2102.02148v1 · doi: 10.48550/arxiv.2102.02148 · pith_short_12: HUPDICTTUNIP · pith_short_16: HUPDICTTUNIPLKMN · pith_short_8: HUPDICTT

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/HUPDICTTUNIPLKMN73DA57WBQX \
  | 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: 3d1e340a73a350f5a98dfec60efec185f530d54b7f114165f427f91039222553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e2a4391f20d05249b41870da96a580afd71a3293047906e5ec6fd5a8541a4e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-03T17:08:32Z",
    "title_canon_sha256": "2c016ab821dcb4ba47d46e851edc7a554b797748a309974a3dfc17cb162bab48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02148",
    "kind": "arxiv",
    "version": 1
  }
}