Pith Number

pith:7VKQVCNE

pith:2016:7VKQVCNEEUMDAW3DA2GZ5NPWME

not attested not anchored not stored refs pending

Can background cosmology hold the key for modified gravity tests?

Baojiu Li (ICC Durham), Jian-hua He (ICC Durham), Juan J. Ceron-Hurtado

arxiv:1609.00532 v1 · 2016-09-02 · 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{7VKQVCNEEUMDAW3DA2GZ5NPWME}

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	2026-05-18T01:02:36.866374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd550a89a42518305b63068d9eb5f6612e40c9a93a5417bb7ac09026493205b1

Aliases

arxiv: 1609.00532 · arxiv_version: 1609.00532v1 · doi: 10.48550/arxiv.1609.00532 · pith_short_12: 7VKQVCNEEUMD · pith_short_16: 7VKQVCNEEUMDAW3D · pith_short_8: 7VKQVCNE

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/7VKQVCNEEUMDAW3DA2GZ5NPWME \
  | 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: fd550a89a42518305b63068d9eb5f6612e40c9a93a5417bb7ac09026493205b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071a6fe969ea47248530a9f14da900f20d0f2230ab33924afddf533a5a3ee1ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-09-02T10:16:20Z",
    "title_canon_sha256": "cc1df3aca2f5f1b418a839b6755a772d372196ef3f70d7ba6139c047eb299c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00532",
    "kind": "arxiv",
    "version": 1
  }
}