Pith Number

pith:2R7I4GPQ

pith:2013:2R7I4GPQCCGKTVT6VTSZA2URLD

not attested not anchored not stored refs pending

Properties of the most metal-poor gas-rich LSB dwarf galaxies SDSS J0015+0104 and J2354-0005 residing in the Eridanus void

A.Y. Kniazev, J.-M. Martin, S.A. Pustilnik, Y.A. Lyamina

arxiv:1304.7983 v1 · 2013-04-30 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2R7I4GPQCCGKTVT6VTSZA2URLD}

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	2026-05-18T01:50:14.131429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47e8e19f0108ca9d67eace5906a9158cac251e142e446805900604f8cc976a4

Aliases

arxiv: 1304.7983 · arxiv_version: 1304.7983v1 · doi: 10.48550/arxiv.1304.7983 · pith_short_12: 2R7I4GPQCCGK · pith_short_16: 2R7I4GPQCCGKTVT6 · pith_short_8: 2R7I4GPQ

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/2R7I4GPQCCGKTVT6VTSZA2URLD \
  | 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: d47e8e19f0108ca9d67eace5906a9158cac251e142e446805900604f8cc976a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7dfc626bcae740d0ed1561dfc044649b8a96409ab21e3f87af06f57a7a4f6b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-30T13:17:33Z",
    "title_canon_sha256": "d7485241b54337921ffa4454a3556b5218e9104e102d4a2015787e8c868cab93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7983",
    "kind": "arxiv",
    "version": 1
  }
}