Pith Number

pith:FG5EBSIZ

pith:2020:FG5EBSIZVSHKQWF3PEPFGOZ6DA

not attested not anchored not stored refs pending

Fifth force induced by a chameleon field on nested cylinders

Jean-Philippe Uzan, Joel Berg\'e, Martin Pernot-Borr\`as, Philippe Brax

arxiv:2004.08403 v1 · 2020-04-17 · gr-qc · 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{FG5EBSIZVSHKQWF3PEPFGOZ6DA}

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	2026-07-05T01:14:48.037573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29ba40c919ac8ea858bb791e533b3e18347c99e860c4f24f76746e68627549b3

Aliases

arxiv: 2004.08403 · arxiv_version: 2004.08403v1 · doi: 10.48550/arxiv.2004.08403 · pith_short_12: FG5EBSIZVSHK · pith_short_16: FG5EBSIZVSHKQWF3 · pith_short_8: FG5EBSIZ

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/FG5EBSIZVSHKQWF3PEPFGOZ6DA \
  | 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: 29ba40c919ac8ea858bb791e533b3e18347c99e860c4f24f76746e68627549b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45f5ce3f2dd064316fe2cbf6e91f3debd6546d1ed813fd40b1a301e3c241814f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-17T18:00:11Z",
    "title_canon_sha256": "fbcd88210ab8a4e54722114a57998d4620253b06d536e8eddbc27452f5f29713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08403",
    "kind": "arxiv",
    "version": 1
  }
}