Pith Number

pith:VOWYD3XB

pith:2010:VOWYD3XB7MIUJICT56E3W33G4Q

not attested not anchored not stored refs pending

Tamed Symplectic forms and SKT metrics

Anna Fino, Luigi Vezzoni, Nicola Enrietti

arxiv:1002.3099 v3 · 2010-02-16 · 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{VOWYD3XB7MIUJICT56E3W33G4Q}

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	2026-05-18T03:54:04.610374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abad81eee1fb1144a053ef89bb6f66e41c12e379ac0c7f04073edcfa7ba49bd9

Aliases

arxiv: 1002.3099 · arxiv_version: 1002.3099v3 · doi: 10.48550/arxiv.1002.3099 · pith_short_12: VOWYD3XB7MIU · pith_short_16: VOWYD3XB7MIUJICT · pith_short_8: VOWYD3XB

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/VOWYD3XB7MIUJICT56E3W33G4Q \
  | 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: abad81eee1fb1144a053ef89bb6f66e41c12e379ac0c7f04073edcfa7ba49bd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "087a1b6f1fd0280759729d57bf2688ffd72cb18658ea56b8d549af2a100db7c4",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-02-16T15:10:51Z",
    "title_canon_sha256": "d8ba1ee403562dd00a89acd7a9644c1fbd098487521ff9450527d058a9a0f0fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3099",
    "kind": "arxiv",
    "version": 3
  }
}