Pith Number

pith:RR5T3MQX

pith:2008:RR5T3MQXYL6FR2VKULAST6HE2X

not attested not anchored not stored refs pending

A comparative review of recent researches in geometry

Felix C. Klein

arxiv:0807.3161 v1 · 2008-07-20 · math.HO · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RR5T3MQXYL6FR2VKULAST6HE2X}

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.

Cited by

1 paper in Pith

Decomposition of the connection in affine models of gravity: Can the connection tell us something about the metric?

Receipt and verification

First computed	2026-07-04T15:13:02.962906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7b3db217c2fc58eaaaa2c129f8e4d5fac441e78c65cf6f897705698c76db30

Aliases

arxiv: 0807.3161 · arxiv_version: 0807.3161v1 · doi: 10.48550/arxiv.0807.3161 · pith_short_12: RR5T3MQXYL6F · pith_short_16: RR5T3MQXYL6FR2VK · pith_short_8: RR5T3MQX

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/RR5T3MQXYL6FR2VKULAST6HE2X \
  | 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: 8c7b3db217c2fc58eaaaa2c129f8e4d5fac441e78c65cf6f897705698c76db30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edceeb3e3c6cf769b8cffb2f6630d48e9ab837256f2f2479c3386a90ffea0f90",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2008-07-20T14:58:27Z",
    "title_canon_sha256": "fc49b1faf57275bac456520ad3d73127fd6465be5d19770db6cda7b846b380ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3161",
    "kind": "arxiv",
    "version": 1
  }
}