Pith Number

pith:PWE4EKFM

pith:2004:PWE4EKFMDPTACSX4VAAUGQVBUQ

not attested not anchored not stored refs pending

On the structure of the space of generalized connections

J.M. Velhinho

arxiv:math-ph/0402060 v2 · 2004-02-22 · math-ph · gr-qc · 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{PWE4EKFMDPTACSX4VAAUGQVBUQ}

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	2026-05-18T01:38:33.559408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d89c228ac1be6014afca8014342a1a406b74b56645a96b8698c5062619b8bc4

Aliases

arxiv: math-ph/0402060 · arxiv_version: math-ph/0402060v2 · doi: 10.48550/arxiv.math-ph/0402060 · pith_short_12: PWE4EKFMDPTA · pith_short_16: PWE4EKFMDPTACSX4 · pith_short_8: PWE4EKFM

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/PWE4EKFMDPTACSX4VAAUGQVBUQ \
  | 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: 7d89c228ac1be6014afca8014342a1a406b74b56645a96b8698c5062619b8bc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2feb6398124d9693ef325bae6fecc98ddd8cb83fbb714d67f007668ad03bd700",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2004-02-22T18:37:30Z",
    "title_canon_sha256": "a6bf32c47736c4c5a013c9245bb7f75f7210f0e99fa67e05a7afef8037b85278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0402060",
    "kind": "arxiv",
    "version": 2
  }
}