Pith Number

pith:XQY2GQ2L

pith:2001:XQY2GQ2LEGPNI4HSOI6EQA7YSS

not attested not anchored not stored refs pending

Evidence for Ring Caustics in the Milky Way

Pierre Sikivie

arxiv:astro-ph/0109296 v2 · 2001-09-18 · astro-ph · 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{XQY2GQ2LEGPNI4HSOI6EQA7YSS}

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	2026-05-18T02:40:35.955618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc31a3434b219ed470f2723c4803f894aa78288f70d36fa82bfa9134e475c807

Aliases

arxiv: astro-ph/0109296 · arxiv_version: astro-ph/0109296v2 · doi: 10.48550/arxiv.astro-ph/0109296 · pith_short_12: XQY2GQ2LEGPN · pith_short_16: XQY2GQ2LEGPNI4HS · pith_short_8: XQY2GQ2L

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/XQY2GQ2LEGPNI4HSOI6EQA7YSS \
  | 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: bc31a3434b219ed470f2723c4803f894aa78288f70d36fa82bfa9134e475c807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06e53b5fdee6b54bcf05e1ce5410e6ed1c521cd17d7d913e49228e516d542f5e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-18T16:02:16Z",
    "title_canon_sha256": "855b4f483eaae983a896298745ff6a5b6434c13a9deb480adc3de3deb0855ae9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109296",
    "kind": "arxiv",
    "version": 2
  }
}