Pith Number

pith:WQ2476KC

pith:2015:WQ2476KCLYRYM7TP3Q6TT6TYE4

not attested not anchored not stored refs pending

Limits on the HI content of the dwarf galaxy Hydra II

Andrew Janzen, A. Togi, Eve M. Klopf, Felix J. Lockman, Kurt Plarre, Mehrnoush Zomederis, Nau Raj Pokhrel, Robert J. Selina, Rodolfo Montez Jr

arxiv:1511.05069 v1 · 2015-11-16 · 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{WQ2476KCLYRYM7TP3Q6TT6TYE4}

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	2026-05-18T01:25:31.100850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b435cff9425e23867e6fdc3d39fa7827299aaf7ff0314f8a6f6ea043e6ebfab4

Aliases

arxiv: 1511.05069 · arxiv_version: 1511.05069v1 · doi: 10.48550/arxiv.1511.05069 · pith_short_12: WQ2476KCLYRY · pith_short_16: WQ2476KCLYRYM7TP · pith_short_8: WQ2476KC

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/WQ2476KCLYRYM7TP3Q6TT6TYE4 \
  | 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: b435cff9425e23867e6fdc3d39fa7827299aaf7ff0314f8a6f6ea043e6ebfab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1abb998a368dfb4f6f44591bfe1923cc08c3d6785be0c600d1fc90032cae2790",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-16T18:04:46Z",
    "title_canon_sha256": "5c804e98bc87019738c793a051b26ded1e027e3cccf92f1b9b2c764f1e74d89c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05069",
    "kind": "arxiv",
    "version": 1
  }
}