Pith Number

pith:QI4ZNLLU

pith:2015:QI4ZNLLUNMP3VO2DFPD4J6GBW6

not attested not anchored not stored refs pending

HII regions within a compact high velocity cloud. A nearly star-less dwarf galaxy?

A. Marchetti, A. Mucciarelli, F. Fraternali, G. Battaglia, G. Beccari, L. Magrini, M. Bellazzini, M. Correnti, M. Fumana, N. Martin, R. Ibata, V. Testa

arxiv:1501.06305 v1 · 2015-01-26 · 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{QI4ZNLLUNMP3VO2DFPD4J6GBW6}

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	2026-05-18T02:28:41.789565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

823996ad746b1fbabb432bc7c4f8c1b7b7973685a55f432576cbe50f7b5ad197

Aliases

arxiv: 1501.06305 · arxiv_version: 1501.06305v1 · doi: 10.48550/arxiv.1501.06305 · pith_short_12: QI4ZNLLUNMP3 · pith_short_16: QI4ZNLLUNMP3VO2D · pith_short_8: QI4ZNLLU

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/QI4ZNLLUNMP3VO2DFPD4J6GBW6 \
  | 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: 823996ad746b1fbabb432bc7c4f8c1b7b7973685a55f432576cbe50f7b5ad197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a16cfa633e4e2d841743a5d204be63787c398458d56fae6663004cd8875a5ff1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-26T10:02:54Z",
    "title_canon_sha256": "91b73c63a7455e141ad381f4e8827e86f624f59319f91efc1cf7c39ea8704924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06305",
    "kind": "arxiv",
    "version": 1
  }
}