Pith Number

pith:VGTW4D5G

pith:2019:VGTW4D5GXZIPZBG3IUEFWEPYA2

not attested not anchored not stored refs pending

Galaxias de bajo brillo superficial: analogas a los sat\'elites de Andr\'omeda en Pegasus I?

A. Smith Castelli, C. Escudero, F. Faifer, N. Gonz\'alez, S. A. Cellone

arxiv:1902.04554 v1 · 2019-02-12 · 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{VGTW4D5GXZIPZBG3IUEFWEPYA2}

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	2026-05-17T23:54:11.981914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a76e0fa6be50fc84db45085b11f8068b64afc535cb61c1d0a02f6b93c52cb1

Aliases

arxiv: 1902.04554 · arxiv_version: 1902.04554v1 · doi: 10.48550/arxiv.1902.04554 · pith_short_12: VGTW4D5GXZIP · pith_short_16: VGTW4D5GXZIPZBG3 · pith_short_8: VGTW4D5G

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/VGTW4D5GXZIPZBG3IUEFWEPYA2 \
  | 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: a9a76e0fa6be50fc84db45085b11f8068b64afc535cb61c1d0a02f6b93c52cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff994693162befa1dbbc6401076b9004cb22ba6d8c4c610ea94b7970b581de2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-12T18:57:13Z",
    "title_canon_sha256": "9b80bd4d1cac9c143eebc00684360c8b71e8329cd1f6b6afe8c606bb7968e1ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04554",
    "kind": "arxiv",
    "version": 1
  }
}