Pith Number

pith:FDDSII44

pith:1999:FDDSII44SA3MQM4M3AP5WQJQBB

not attested not anchored not stored refs pending

Two measures of the shape of the Milky Way's dark halo

M.R. Merrifield (University of Nottingham), R.P. Olling (Rutgers University)

arxiv:astro-ph/9907353 v1 · 1999-07-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDDSII44SA3MQM4M3AP5WQJQBB}

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	2026-05-18T00:53:28.181207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c724239c9036c8338cd81fdb41300863c81b103868dba7559ca46a283e3fa7

Aliases

arxiv: astro-ph/9907353 · arxiv_version: astro-ph/9907353v1 · doi: 10.48550/arxiv.astro-ph/9907353 · pith_short_12: FDDSII44SA3M · pith_short_16: FDDSII44SA3MQM4M · pith_short_8: FDDSII44

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/FDDSII44SA3MQM4M3AP5WQJQBB \
  | 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: 28c724239c9036c8338cd81fdb41300863c81b103868dba7559ca46a283e3fa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ff23a47e0cc3aa78baeec05f870166bdec195af96674bbbe87b960576c27a61",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-26T15:00:03Z",
    "title_canon_sha256": "006e532b35baa1e9f9d8340efba10a97890d832838242ea0e48385fea6c5ae20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907353",
    "kind": "arxiv",
    "version": 1
  }
}