Pith Number

pith:VNPFS6OP

pith:2026:VNPFS6OPSHHT6DL4QSDC3PVPLE

not attested not anchored not stored refs pending

Ekedahl-Oort strata under natural embeddings of orthogonal and unitary Shimura varieties

Yan Qijun, Zhang Chao

arxiv:2605.27207 v1 · 2026-05-26 · 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{VNPFS6OPSHHT6DL4QSDC3PVPLE}

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	2026-05-27T02:05:48.009151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab5e5979cf91cf3f0d7c84862dbeaf592f86f7f9fe6457bfa6fe2e73e5dfab09

Aliases

arxiv: 2605.27207 · arxiv_version: 2605.27207v1 · doi: 10.48550/arxiv.2605.27207 · pith_short_12: VNPFS6OPSHHT · pith_short_16: VNPFS6OPSHHT6DL4 · pith_short_8: VNPFS6OP

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/VNPFS6OPSHHT6DL4QSDC3PVPLE \
  | 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: ab5e5979cf91cf3f0d7c84862dbeaf592f86f7f9fe6457bfa6fe2e73e5dfab09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "289b4c4f0a5521514d48cab74ba46f5f3170ac6ea682adcc3dfe8c958f5aca76",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2026-05-26T16:01:20Z",
    "title_canon_sha256": "48cf2c2b8769ecaa4e0470739f1505f3a3c3fe644dd7dfea1e3501a69163bb13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27207",
    "kind": "arxiv",
    "version": 1
  }
}