Pith Number

pith:OILXGIVF

pith:2011:OILXGIVFUBOYVZMZ7IZ4VWEDM7

not attested not anchored not stored refs pending

Tamed Symplectic forms and Generalized Geometry

Anna Fino, Gueo Grantcharov, Nicola Enrietti

arxiv:1112.2592 v1 · 2011-12-12 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OILXGIVFUBOYVZMZ7IZ4VWEDM7}

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	2026-05-18T04:06:33.892590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72177322a5a05d8ae599fa33cad88367e94295e4742e5483be1373fe979361c1

Aliases

arxiv: 1112.2592 · arxiv_version: 1112.2592v1 · doi: 10.48550/arxiv.1112.2592 · pith_short_12: OILXGIVFUBOY · pith_short_16: OILXGIVFUBOYVZMZ · pith_short_8: OILXGIVF

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/OILXGIVFUBOYVZMZ7IZ4VWEDM7 \
  | 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: 72177322a5a05d8ae599fa33cad88367e94295e4742e5483be1373fe979361c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b8de13136ca2ee8541e0c13a5ac7bd1d2aed84a84ae5520614b201833854733",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-12-12T15:43:54Z",
    "title_canon_sha256": "52d36b602f8e6b861b021d298fe59e2f94255ee06971303c84fc3dfeeef45601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2592",
    "kind": "arxiv",
    "version": 1
  }
}