Pith Number

pith:R4X45ETZ

pith:2021:R4X45ETZYSJWEVGTLXK4MUBQ5Z

not attested not anchored not stored refs pending

Fifth-Force Screening around Extremely Compact Sources

Benjamin Elder, Ben Thrussell, Clare Burrage, Daniela Saadeh, Peter Millington

arxiv:2104.14564 v1 · 2021-04-29 · hep-ph · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4X45ETZYSJWEVGTLXK4MUBQ5Z}

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	2026-07-05T03:21:47.700086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2fce9279c4936254d35dd5c65030ee4c23f39df3a6c58557dcd13b0cf51386

Aliases

arxiv: 2104.14564 · arxiv_version: 2104.14564v1 · doi: 10.48550/arxiv.2104.14564 · pith_short_12: R4X45ETZYSJW · pith_short_16: R4X45ETZYSJWEVGT · pith_short_8: R4X45ETZ

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/R4X45ETZYSJWEVGTLXK4MUBQ5Z \
  | 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: 8f2fce9279c4936254d35dd5c65030ee4c23f39df3a6c58557dcd13b0cf51386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f93b2dd7cf7e80646a91a047e61dd339bb23ea8a2540d3a5ea72a6d9659f4eaf",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-04-29T16:43:18Z",
    "title_canon_sha256": "e4305099f25f3bd62a4b284501c08c64d257739296b33fbf1f94002da37c912b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14564",
    "kind": "arxiv",
    "version": 1
  }
}