Pith Number

pith:SSVN3B4R

pith:2011:SSVN3B4RVOOFOOSTA4MQ3TZRQV

not attested not anchored not stored refs pending

Geodesically equivalent metrics in general relativity

Vladimir S. Matveev

arxiv:1101.2069 v2 · 2011-01-11 · math.DG · gr-qc · math-ph · math.AP · 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{SSVN3B4RVOOFOOSTA4MQ3TZRQV}

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	2026-05-18T03:36:46.842994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94aadd8791ab9c573a5307190dcf318576872008314db91906d5b8d683bc6d35

Aliases

arxiv: 1101.2069 · arxiv_version: 1101.2069v2 · doi: 10.48550/arxiv.1101.2069 · pith_short_12: SSVN3B4RVOOF · pith_short_16: SSVN3B4RVOOFOOST · pith_short_8: SSVN3B4R

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/SSVN3B4RVOOFOOSTA4MQ3TZRQV \
  | 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: 94aadd8791ab9c573a5307190dcf318576872008314db91906d5b8d683bc6d35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c192148f6e714d693e4901bc653cd5e14d8cbb908c1a83c1036bd04631fbc8f",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-01-11T09:09:03Z",
    "title_canon_sha256": "643469fbd6aa25a49bc5a688f276f89ec73d7d5e3e4edcb5f2cc69485f582416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2069",
    "kind": "arxiv",
    "version": 2
  }
}