Pith Number

pith:TO67CNIF

pith:2003:TO67CNIFAV7WTDUIXG5G3G443E

not attested not anchored not stored refs pending

The Schwarzschild solution in the DGP model

Chad Middleton, George Siopsis

arxiv:hep-th/0311070 v2 · 2003-11-07 · 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{TO67CNIFAV7WTDUIXG5G3G443E}

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	2026-05-18T04:17:36.087116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bbdf13505057f698e88b9ba6d9b9cd924b380cc5149d2d5503bd022a1b3eead

Aliases

arxiv: hep-th/0311070 · arxiv_version: hep-th/0311070v2 · doi: 10.48550/arxiv.hep-th/0311070 · pith_short_12: TO67CNIFAV7W · pith_short_16: TO67CNIFAV7WTDUI · pith_short_8: TO67CNIF

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/TO67CNIFAV7WTDUIXG5G3G443E \
  | 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: 9bbdf13505057f698e88b9ba6d9b9cd924b380cc5149d2d5503bd022a1b3eead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4498ec6a413ad26a3a96ca52b4a7ea0f850b031965331bfb4d22134eb2bbb0dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-11-07T20:46:25Z",
    "title_canon_sha256": "975ab0365a7243e0a5ca65a9aacc85fe3d8b7aa0e50963ec936c344bf1bd094d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0311070",
    "kind": "arxiv",
    "version": 2
  }
}