Pith Number

pith:XOD4F5VY

pith:2008:XOD4F5VYEU6QCW7U5HOJQFTTFN

not attested not anchored not stored refs pending

Gauge Theory in Riem(M)

Henrique Gomes

arxiv:0807.4405 v7 · 2008-07-28 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XOD4F5VYEU6QCW7U5HOJQFTTFN}

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	2026-05-18T04:13:07.275759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb87c2f6b8253d015bf4e9dc9816732b473df8e00a23577aab1147d0de466273

Aliases

arxiv: 0807.4405 · arxiv_version: 0807.4405v7 · doi: 10.48550/arxiv.0807.4405 · pith_short_12: XOD4F5VYEU6Q · pith_short_16: XOD4F5VYEU6QCW7U · pith_short_8: XOD4F5VY

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/XOD4F5VYEU6QCW7U5HOJQFTTFN \
  | 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: bb87c2f6b8253d015bf4e9dc9816732b473df8e00a23577aab1147d0de466273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b954c094a44da8dbc6bf74d9db95bb36fd9b45223d3badf94ed19b8d5ca947a5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-07-28T11:03:13Z",
    "title_canon_sha256": "f4fd480f44a6a3cb52ec824190332eccd624fca8c7f455955a58e285657475aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4405",
    "kind": "arxiv",
    "version": 7
  }
}