Pith Number

pith:SVG434AZ

pith:2011:SVG434AZ7VBNEM4LDSOSC4IN7O

not attested not anchored not stored refs pending

Some Further Remarks on the Local Fundamental Group Scheme

Vikram Mehta

arxiv:1111.1074 v1 · 2011-11-04 · 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{SVG434AZ7VBNEM4LDSOSC4IN7O}

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	2026-05-18T04:09:35.811134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954dcdf019fd42d2338b1c9d21710dfba36e968e0feb1754c6fc10393f26a1cb

Aliases

arxiv: 1111.1074 · arxiv_version: 1111.1074v1 · doi: 10.48550/arxiv.1111.1074 · pith_short_12: SVG434AZ7VBN · pith_short_16: SVG434AZ7VBNEM4L · pith_short_8: SVG434AZ

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/SVG434AZ7VBNEM4LDSOSC4IN7O \
  | 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: 954dcdf019fd42d2338b1c9d21710dfba36e968e0feb1754c6fc10393f26a1cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01852c8d2f9e48ecb606ac98c518eea39466eb6946bb9e6bb646f1c9bc2fbde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-11-04T09:18:29Z",
    "title_canon_sha256": "38eff6c6cec940563e86e66ede6f56f2e84e6527028926468eec1ec0d18f2f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1074",
    "kind": "arxiv",
    "version": 1
  }
}