Pith Number

pith:T7IGNZGF

pith:2009:T7IGNZGFPAHLPCSLFI2E4OFFDF

not attested not anchored not stored refs pending

Stealth Galaxies in the Halo of the Milky Way

Erik J. Tollerud, James S. Bullock, Joe Wolf (UC Irvine), Kyle R. Stewart, Manoj Kaplinghat

arxiv:0912.1873 v2 · 2009-12-09 · astro-ph.CO · astro-ph.GA · hep-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{T7IGNZGFPAHLPCSLFI2E4OFFDF}

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	2026-05-18T02:33:57.012295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fd066e4c5780eb78a4b2a344e38a5196002bc92c9d2820abf25b6a5f183ff6a

Aliases

arxiv: 0912.1873 · arxiv_version: 0912.1873v2 · doi: 10.48550/arxiv.0912.1873 · pith_short_12: T7IGNZGFPAHL · pith_short_16: T7IGNZGFPAHLPCSL · pith_short_8: T7IGNZGF

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/T7IGNZGFPAHLPCSLFI2E4OFFDF \
  | 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: 9fd066e4c5780eb78a4b2a344e38a5196002bc92c9d2820abf25b6a5f183ff6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "177d26b178c11187f01e30854e531dd9c6c7eff90ab45fd830c3db8e6d1f254d",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-09T22:12:03Z",
    "title_canon_sha256": "533bee7bf297b81d3c3e64393729297893284ce7c8e536398bf9b9a97c0d27be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1873",
    "kind": "arxiv",
    "version": 2
  }
}