Pith Number

pith:FDWFE2N6

pith:2008:FDWFE2N6C3XUKK6FA5PIJVEOMJ

not attested not anchored not stored refs pending

Ekedahl-Oort strata in the supersingular locus

Maarten Hoeve

arxiv:0802.4012 v2 · 2008-02-27 · 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{FDWFE2N6C3XUKK6FA5PIJVEOMJ}

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	2026-05-18T02:58:11.753137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ec5269be16ef452bc5075e84d48e6252a6d69b6a451c84efe350f72162ffa7

Aliases

arxiv: 0802.4012 · arxiv_version: 0802.4012v2 · doi: 10.48550/arxiv.0802.4012 · pith_short_12: FDWFE2N6C3XU · pith_short_16: FDWFE2N6C3XUKK6F · pith_short_8: FDWFE2N6

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/FDWFE2N6C3XUKK6FA5PIJVEOMJ \
  | 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: 28ec5269be16ef452bc5075e84d48e6252a6d69b6a451c84efe350f72162ffa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd4436079e0b480d8771b8b60d460d1c27cae47b23e1fab59a2dbe575437085d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-02-27T12:58:26Z",
    "title_canon_sha256": "e1c6f64fe5d34249eab3ae030c265f9233f7865655c4b346efdc431257f0409d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4012",
    "kind": "arxiv",
    "version": 2
  }
}