Pith Number

pith:XMVGQIV3

pith:2008:XMVGQIV3YTIO5DKOKFXKB6BRBP

not attested not anchored not stored refs pending

On the Geroch-Traschen class of metrics

James A. Vickers, Roland Steinbauer

arxiv:0811.1376 v1 · 2008-11-09 · 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{XMVGQIV3YTIO5DKOKFXKB6BRBP}

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	2026-05-18T04:20:39.059354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb2a6822bbc4d0ee8d4e516ea0f8310bdf4e2cd1f1ed2990e77ef331e2f155e5

Aliases

arxiv: 0811.1376 · arxiv_version: 0811.1376v1 · doi: 10.48550/arxiv.0811.1376 · pith_short_12: XMVGQIV3YTIO · pith_short_16: XMVGQIV3YTIO5DKO · pith_short_8: XMVGQIV3

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/XMVGQIV3YTIO5DKOKFXKB6BRBP \
  | 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: bb2a6822bbc4d0ee8d4e516ea0f8310bdf4e2cd1f1ed2990e77ef331e2f155e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bed4e1bd1d13838f37efc386c15f4c2c653729a2697d5263061d5c9f3cc211e5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-11-09T21:46:47Z",
    "title_canon_sha256": "1d11f2d1652c49abedc0a37ac70f9e541a178718e02be799e59725183b56d7c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1376",
    "kind": "arxiv",
    "version": 1
  }
}