Pith Number

pith:K7BABA6S

pith:2011:K7BABA6SULA3C6ZNWDQUZU3PQX

not attested not anchored not stored refs pending

Can we make a Finsler metric complete by a trivial projective change?

Vladimir S. Matveev

arxiv:1112.5060 v1 · 2011-12-21 · math.DG · gr-qc · math-ph · math.MG · 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{K7BABA6SULA3C6ZNWDQUZU3PQX}

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	2026-05-18T01:31:20.123237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c20083d2a2c1b17b2db0e14cd36f85efb6f8a58bf68dafde48eecc2276f784

Aliases

arxiv: 1112.5060 · arxiv_version: 1112.5060v1 · doi: 10.48550/arxiv.1112.5060 · pith_short_12: K7BABA6SULA3 · pith_short_16: K7BABA6SULA3C6ZN · pith_short_8: K7BABA6S

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/K7BABA6SULA3C6ZNWDQUZU3PQX \
  | 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: 57c20083d2a2c1b17b2db0e14cd36f85efb6f8a58bf68dafde48eecc2276f784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "566d7a3f4cc22639256776f24a5d01c9d15686914735430785a38e1666f28ddd",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-12-21T15:31:37Z",
    "title_canon_sha256": "8ca8c8129474a930f19bddbea238fcfdb0957a83f88fcbb99d64ce304ce96e2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5060",
    "kind": "arxiv",
    "version": 1
  }
}