Pith Number

pith:2GDPRW3C

pith:2018:2GDPRW3CT4FKA6NZXQJU7PQ2IK

not attested not anchored not stored refs pending

Testing modified gravity using a marked correlation function

Baojiu Li, Joaquin Armijo, John A. Peacock, Nelson Padilla, Yan-Chuan Cai

arxiv:1801.08975 v2 · 2018-01-26 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GDPRW3CT4FKA6NZXQJU7PQ2IK}

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	2026-05-18T00:14:08.790013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d186f8db629f0aa079b9bc134fbe1a42b1205423553e4ad53829c74b2fa8f2a1

Aliases

arxiv: 1801.08975 · arxiv_version: 1801.08975v2 · doi: 10.48550/arxiv.1801.08975 · pith_short_12: 2GDPRW3CT4FK · pith_short_16: 2GDPRW3CT4FKA6NZ · pith_short_8: 2GDPRW3C

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/2GDPRW3CT4FKA6NZXQJU7PQ2IK \
  | 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: d186f8db629f0aa079b9bc134fbe1a42b1205423553e4ad53829c74b2fa8f2a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f548062a30d0758a5c262969fdcc00b9ac293c9cababe0da2f28fd89e92fc39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-26T21:03:51Z",
    "title_canon_sha256": "247896e79468d6706baf1c37186afc1a7259af70a83d8da9151b756038053d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08975",
    "kind": "arxiv",
    "version": 2
  }
}