Pith Number

pith:4V4XSRW5

pith:2021:4V4XSRW5FFQMBJMAISU42QJGJ3

not attested not anchored not stored refs pending

The structure and characteristic scales of the HI gas in galactic disks

Archana Soam, Charles Aouad, Di Li, Ekta Sharma, George Helou, Jonathan Braine, Jos\'e-Antonio Belinch\'on, Maheswar Gopinathan, Maritza A. Lara-L\'opez, Sami Dib, Svitlana Zhukovska, Valery V. Kravtsov

arxiv:2107.13567 v3 · 2021-07-28 · 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{4V4XSRW5FFQMBJMAISU42QJGJ3}

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	2026-07-05T03:36:09.856155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5797946dd2960c0a58044a9cd41264ed7567b3804fe4dbad01d9af826a853ab

Aliases

arxiv: 2107.13567 · arxiv_version: 2107.13567v3 · doi: 10.48550/arxiv.2107.13567 · pith_short_12: 4V4XSRW5FFQM · pith_short_16: 4V4XSRW5FFQMBJMA · pith_short_8: 4V4XSRW5

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/4V4XSRW5FFQMBJMAISU42QJGJ3 \
  | 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: e5797946dd2960c0a58044a9cd41264ed7567b3804fe4dbad01d9af826a853ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48e2c4068818362c33f900407c9186bb985590aa80534091d2befccd746bb22f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-28T18:00:02Z",
    "title_canon_sha256": "61e5e841e93d7a7c4c5130acc0e328b8b69c9e187734a6fad9605ad12813d38c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13567",
    "kind": "arxiv",
    "version": 3
  }
}