Pith Number

pith:6WFHK7XC

pith:2007:6WFHK7XCKNDKRC7OLSWB5S7LES

not attested not anchored not stored refs pending

Charting the Landscape of Modified Gravity

Derrick Kiley, Nemanja Kaloper

arxiv:hep-th/0703190 v2 · 2007-03-22 · hep-th · astro-ph · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WFHK7XCKNDKRC7OLSWB5S7LES}

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	2026-05-18T04:38:37.743755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f58a757ee25346a88bee5cac1ecbeb24b827fda8ec4a8e9c13f7be8b525b82e4

Aliases

arxiv: hep-th/0703190 · arxiv_version: hep-th/0703190v2 · doi: 10.48550/arxiv.hep-th/0703190 · pith_short_12: 6WFHK7XCKNDK · pith_short_16: 6WFHK7XCKNDKRC7O · pith_short_8: 6WFHK7XC

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/6WFHK7XCKNDKRC7OLSWB5S7LES \
  | 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: f58a757ee25346a88bee5cac1ecbeb24b827fda8ec4a8e9c13f7be8b525b82e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80c5a826011d953c7e7425c8c18798456a8d56b927f88037c57c0f7f576cd83e",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-03-22T18:22:05Z",
    "title_canon_sha256": "e03646594db2feb17e2750b395cbeb87945c91615d5a752c51099959b16bc2d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0703190",
    "kind": "arxiv",
    "version": 2
  }
}