Pith Number

pith:B7GQ4RD3

pith:2010:B7GQ4RD36WKGZKDCMM2UKHG4MI

not attested not anchored not stored refs pending

Universal Models via Embedding and Reduction for Locally Conformal Symplectic Structures

David Mart\'inez Torres, Edith Padron, Juan C. Marrero

arxiv:1101.0194 v2 · 2010-12-31 · math.DG · math.SG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7GQ4RD36WKGZKDCMM2UKHG4MI}

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	2026-05-18T04:28:07.856075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fcd0e447bf5946ca8626335451cdc62322cd6e916ded5a28af388827c194979

Aliases

arxiv: 1101.0194 · arxiv_version: 1101.0194v2 · doi: 10.48550/arxiv.1101.0194 · pith_short_12: B7GQ4RD36WKG · pith_short_16: B7GQ4RD36WKGZKDC · pith_short_8: B7GQ4RD3

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/B7GQ4RD36WKGZKDCMM2UKHG4MI \
  | 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: 0fcd0e447bf5946ca8626335451cdc62322cd6e916ded5a28af388827c194979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d73bbfb41f33f90763b885c17d7c0547758cda7687b53072c2e23537dd64695",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-12-31T03:49:38Z",
    "title_canon_sha256": "f55587c08bc54eddeab2c4d4e9e4e6490d801aec6df6cd6fd8b17e9ed48fcd28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0194",
    "kind": "arxiv",
    "version": 2
  }
}