Pith Number

pith:WSFGWC5K

pith:2015:WSFGWC5KDH7KM22W4OI2UZEVEO

not attested not anchored not stored refs pending

On the existence of non-geometric sections of arithmetic fundamental groups

Mohamed saidi

arxiv:1510.06864 v1 · 2015-10-23 · math.NT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSFGWC5KDH7KM22W4OI2UZEVEO}

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	2026-05-18T01:29:22.882611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b48a6b0baa19fea66b56e391aa649523ad8d3e280ab241b8fbc1a999889f15d8

Aliases

arxiv: 1510.06864 · arxiv_version: 1510.06864v1 · doi: 10.48550/arxiv.1510.06864 · pith_short_12: WSFGWC5KDH7K · pith_short_16: WSFGWC5KDH7KM22W · pith_short_8: WSFGWC5K

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/WSFGWC5KDH7KM22W4OI2UZEVEO \
  | 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: b48a6b0baa19fea66b56e391aa649523ad8d3e280ab241b8fbc1a999889f15d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "122f1bcefa46386298fdca6d31dd9782dd50481669beadd24af1ff517a5dfcb6",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-10-23T09:24:35Z",
    "title_canon_sha256": "a17f2dcd6b68064f240afdf9d3ec8e5d25080502f5a58802dd55e802fac70306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06864",
    "kind": "arxiv",
    "version": 1
  }
}