Pith Number

pith:2UMG4IFC

pith:2011:2UMG4IFCPJRSDXRVNHVNNJYMSA

not attested not anchored not stored refs pending

Schwarzschild models of the Sculptor dSph galaxy

Amina Helmi, G. Battaglia, G. van de Ven, Maarten A. Breddels, R.C.E. van den Bosch

arxiv:1110.4808 v1 · 2011-10-21 · 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{2UMG4IFCPJRSDXRVNHVNNJYMSA}

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	2026-05-18T02:00:07.284032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5186e20a27a6321de3569ead6a70c900a85157ff5deb3909f68d3feb849a22d

Aliases

arxiv: 1110.4808 · arxiv_version: 1110.4808v1 · doi: 10.48550/arxiv.1110.4808 · pith_short_12: 2UMG4IFCPJRS · pith_short_16: 2UMG4IFCPJRSDXRV · pith_short_8: 2UMG4IFC

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/2UMG4IFCPJRSDXRVNHVNNJYMSA \
  | 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: d5186e20a27a6321de3569ead6a70c900a85157ff5deb3909f68d3feb849a22d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d104528dcdd50e9bfc7a621a1335fd352ea2f0a154fefa23346c63471dcf07a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-21T14:51:09Z",
    "title_canon_sha256": "78197df109bfa566359e197ed016208ebac2cec779ece5b4b54f739d7a36a49e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4808",
    "kind": "arxiv",
    "version": 1
  }
}