Pith Number

pith:HMQJEQJC

pith:2018:HMQJEQJCJSHPZUYY2GJEB4GTOX

not attested not anchored not stored refs pending

Schwarzschild dynamical model of the Fornax dwarf spheroidal galaxy

Andr\'es del Pino, Ewa L. Lokas, Klaudia Kowalczyk, Monica Valluri

arxiv:1807.07852 v2 · 2018-07-20 · 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{HMQJEQJCJSHPZUYY2GJEB4GTOX}

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	2026-05-17T23:59:52.148093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b209241224c8efcd318d19240f0d375fc64c9dd3d62692bea944a1da5d2d1cc

Aliases

arxiv: 1807.07852 · arxiv_version: 1807.07852v2 · doi: 10.48550/arxiv.1807.07852 · pith_short_12: HMQJEQJCJSHP · pith_short_16: HMQJEQJCJSHPZUYY · pith_short_8: HMQJEQJC

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/HMQJEQJCJSHPZUYY2GJEB4GTOX \
  | 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: 3b209241224c8efcd318d19240f0d375fc64c9dd3d62692bea944a1da5d2d1cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a140d41e1feefc3c98e28a0752df0291715e212328491a0fe63b141d0af9c6e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-20T14:10:19Z",
    "title_canon_sha256": "85622cc590e674caee8e8246c8f5f894e7c24d74b513c8612f0b3c59ed7ee543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07852",
    "kind": "arxiv",
    "version": 2
  }
}