Pith Number

pith:EKFVPQUO

pith:2015:EKFVPQUOZFQ25E7BZR5QG6Z74T

not attested not anchored not stored refs pending

The local geometry of compact homogeneous Lorentz spaces

Felix G\"unther

arxiv:1502.02622 v1 · 2015-02-09 · 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{EKFVPQUOZFQ25E7BZR5QG6Z74T}

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	2026-05-18T00:46:32.234512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228b57c28ec961ae93e1cc7b037b3fe4f868b518860fba17bfa017e95a68b111

Aliases

arxiv: 1502.02622 · arxiv_version: 1502.02622v1 · doi: 10.48550/arxiv.1502.02622 · pith_short_12: EKFVPQUOZFQ2 · pith_short_16: EKFVPQUOZFQ25E7B · pith_short_8: EKFVPQUO

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/EKFVPQUOZFQ25E7BZR5QG6Z74T \
  | 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: 228b57c28ec961ae93e1cc7b037b3fe4f868b518860fba17bfa017e95a68b111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8e75bfda391be319a4032a0bd55837facdb3fb7f4f69757c6a25200cecec0ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-02-09T19:37:35Z",
    "title_canon_sha256": "9a5a55cc43048e81cf5cd6f79b2d7dac9b284bc956798425cd56cf710cf313a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02622",
    "kind": "arxiv",
    "version": 1
  }
}