Pith Number

pith:P77JWGU3

pith:2026:P77JWGU3Q46FMDHFHSBSE47KSO

not attested not anchored not stored refs pending

Weighted Seshadri constants and ellipsoid embeddings

Jonathan David Evans

arxiv:2605.27574 v1 · 2026-05-26 · math.SG · math.AG · 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{P77JWGU3Q46FMDHFHSBSE47KSO}

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	2026-05-28T01:04:16.402574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ffe9b1a9b873c560ce53c832273ea93b7c5e79e47ab26fb2a206182d909fce8

Aliases

arxiv: 2605.27574 · arxiv_version: 2605.27574v1 · doi: 10.48550/arxiv.2605.27574 · pith_short_12: P77JWGU3Q46F · pith_short_16: P77JWGU3Q46FMDHF · pith_short_8: P77JWGU3

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/P77JWGU3Q46FMDHFHSBSE47KSO \
  | 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: 7ffe9b1a9b873c560ce53c832273ea93b7c5e79e47ab26fb2a206182d909fce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94a82cb4ca4d9015b574a0d0d5c1280b172b1664cdde5049c60c8ebc2f9512f",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2026-05-26T18:47:25Z",
    "title_canon_sha256": "5d964e7c141390d609662e04a425f8175f51e69c45dbb9a9c2b6a117d24c9d35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27574",
    "kind": "arxiv",
    "version": 1
  }
}