Pith Number

pith:P6VW6DIO

pith:2018:P6VW6DIOK5Z3SXVO57CTV2PUEA

not attested not anchored not stored refs pending

On the problem of non Berwaldian Landsberg spaces

S. G. Elgendi

arxiv:1801.08763 v1 · 2018-01-26 · 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{P6VW6DIOK5Z3SXVO57CTV2PUEA}

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	2026-05-18T00:25:03.084378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fab6f0d0e5773b95eaeefc53ae9f42005bcf581c75f8882c15773267229992b

Aliases

arxiv: 1801.08763 · arxiv_version: 1801.08763v1 · doi: 10.48550/arxiv.1801.08763 · pith_short_12: P6VW6DIOK5Z3 · pith_short_16: P6VW6DIOK5Z3SXVO · pith_short_8: P6VW6DIO

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/P6VW6DIOK5Z3SXVO57CTV2PUEA \
  | 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: 7fab6f0d0e5773b95eaeefc53ae9f42005bcf581c75f8882c15773267229992b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f46d4c3afdb24cdee8289f0c72268d8991ab59501469f1aa5ca2d6f04537cb17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-26T11:35:11Z",
    "title_canon_sha256": "c0abcbcbe15c254bb6ab808d017b0ef7033d09402658777b69a5878b9e9972b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08763",
    "kind": "arxiv",
    "version": 1
  }
}