Pith Number

pith:NYKALMDX

pith:2011:NYKALMDXVEL5CXGKZZDG6BZY3J

not attested not anchored not stored refs pending

Topology of 3-cosymplectic manifolds

Antonio De Nicola, Beniamino Cappelletti Montano, Ivan Yudin

arxiv:1108.1810 v3 · 2011-08-08 · 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{NYKALMDXVEL5CXGKZZDG6BZY3J}

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	2026-05-18T03:32:31.981863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e1405b077a917d15ccace466f0738da6179a7eea16deaf2f7f3584a1d9b266b

Aliases

arxiv: 1108.1810 · arxiv_version: 1108.1810v3 · doi: 10.48550/arxiv.1108.1810 · pith_short_12: NYKALMDXVEL5 · pith_short_16: NYKALMDXVEL5CXGK · pith_short_8: NYKALMDX

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/NYKALMDXVEL5CXGKZZDG6BZY3J \
  | 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: 6e1405b077a917d15ccace466f0738da6179a7eea16deaf2f7f3584a1d9b266b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f48222eac7fac45c5ae85e022a3100ba79b6e6183b7dbe87bb1be842f1217a37",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-08-08T20:18:11Z",
    "title_canon_sha256": "177dff5a253074ce0edaf996a9b45e92db59049c6af25a8aae59f5ee66c64d92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1810",
    "kind": "arxiv",
    "version": 3
  }
}