Pith Number

pith:XF4CTU4T

pith:2025:XF4CTU4TBCA422ZHDSGIEYBNPV

not attested not anchored not stored refs pending

A short way of counting maps to hypersurfaces in Grassmannians

Alina Marian, Shubham Sinha

arxiv:2506.10593 v1 · 2025-06-12 · 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{XF4CTU4TBCA422ZHDSGIEYBNPV}

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	2026-07-05T11:20:26.917728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97829d3930881cd6b271c8c82602d7d71605db351245ba43867a306151d7cb9

Aliases

arxiv: 2506.10593 · arxiv_version: 2506.10593v1 · doi: 10.48550/arxiv.2506.10593 · pith_short_12: XF4CTU4TBCA4 · pith_short_16: XF4CTU4TBCA422ZH · pith_short_8: XF4CTU4T

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/XF4CTU4TBCA422ZHDSGIEYBNPV \
  | 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: b97829d3930881cd6b271c8c82602d7d71605db351245ba43867a306151d7cb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aff7b5a1df65312b332e3f4d66a05f65cd0c8e75ef6827eff94329b418c32c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-06-12T11:33:43Z",
    "title_canon_sha256": "f01f63d46a84789f2157a98accbf00aaef5a17c2867e3604b6bdc8916281e18d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.10593",
    "kind": "arxiv",
    "version": 1
  }
}