Pith Number

pith:DJN4OMII

pith:2025:DJN4OMIIHXHIB6KDLLHNBGXF7P

not attested not anchored not stored refs pending

An explicit class of Lagrangian surfaces

Federico Moretti, Paolo Grossi

arxiv:2502.13087 v1 · 2025-02-18 · 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{DJN4OMIIHXHIB6KDLLHNBGXF7P}

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.

Cited by

1 paper in Pith

Topology of higher Albanese maps and aspherical varieties with nilpotent fundamental group

Receipt and verification

First computed	2026-07-05T10:16:29.107117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a5bc731083dce80f9435aced09ae5fbd072ffc4f3cc81f470a32d62cdeec78e

Aliases

arxiv: 2502.13087 · arxiv_version: 2502.13087v1 · doi: 10.48550/arxiv.2502.13087 · pith_short_12: DJN4OMIIHXHI · pith_short_16: DJN4OMIIHXHIB6KD · pith_short_8: DJN4OMII

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/DJN4OMIIHXHIB6KDLLHNBGXF7P \
  | 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: 1a5bc731083dce80f9435aced09ae5fbd072ffc4f3cc81f470a32d62cdeec78e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45dd74446ac4bcb7f348026b6b5a77df47e298b2ccebbed0f1c2746a171d5f5b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-02-18T17:53:12Z",
    "title_canon_sha256": "66c4c7020a02cfb4ed90a660252d1f83b003a4ab963608e3324553a7c64835e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13087",
    "kind": "arxiv",
    "version": 1
  }
}