Pith Number

pith:4WZTG2FR

pith:2020:4WZTG2FRFB3EDRLON432OCX6EW

not attested not anchored not stored refs pending

Detection of Strong Epicyclic Density Spikes in the GD-1 Stellar Stream. An Absence of Evidence for the Influence of Dark Matter Subhalos?

Benoit Famaey, Giacomo Monari, Guillaume Thomas, Khyati Malhan, Nicolas Martin, Rodrigo Ibata

arxiv:2002.01488 v2 · 2020-02-04 · 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{4WZTG2FRFB3EDRLON432OCX6EW}

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	2026-07-05T00:50:13.626675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5b33368b1287641c56e6f37a70afe25bbf1aa90775bd1ae1818a96870182ff6

Aliases

arxiv: 2002.01488 · arxiv_version: 2002.01488v2 · doi: 10.48550/arxiv.2002.01488 · pith_short_12: 4WZTG2FRFB3E · pith_short_16: 4WZTG2FRFB3EDRLO · pith_short_8: 4WZTG2FR

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/4WZTG2FRFB3EDRLON432OCX6EW \
  | 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: e5b33368b1287641c56e6f37a70afe25bbf1aa90775bd1ae1818a96870182ff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68743d2626623f032d2a73b0854df126cc0893245a26f94f908cb962eba1741d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-04T19:00:03Z",
    "title_canon_sha256": "9960f5034339d936c01e2262c40b3ac9c08327cb67ec93bfe59b0de3aa5eeff3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01488",
    "kind": "arxiv",
    "version": 2
  }
}