Pith Number

pith:VJNQJU64

pith:2011:VJNQJU644AZTRQZVDRFDHXSHLY

not attested not anchored not stored refs pending

Equivariant cohomology of K-contact manifolds

Dirk Toeben, Hiraku Nozawa, Oliver Goertsches

arxiv:1102.4476 v2 · 2011-02-22 · math.SG · 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{VJNQJU644AZTRQZVDRFDHXSHLY}

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	2026-05-18T00:21:01.203593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa5b04d3dce03338c3351c4a33de475e1ce2f101f3f098a6700fdcf93e8f54f6

Aliases

arxiv: 1102.4476 · arxiv_version: 1102.4476v2 · doi: 10.48550/arxiv.1102.4476 · pith_short_12: VJNQJU644AZT · pith_short_16: VJNQJU644AZTRQZV · pith_short_8: VJNQJU64

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/VJNQJU644AZTRQZVDRFDHXSHLY \
  | 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: aa5b04d3dce03338c3351c4a33de475e1ce2f101f3f098a6700fdcf93e8f54f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26abed4cb4f824494d498977f17e84110d62da237d800e66ed30b87d2eebd0f4",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2011-02-22T11:58:39Z",
    "title_canon_sha256": "8bd16f3692ac5e126f02acda70cec0f638f6cb82045166a9c5e224ce9f0f5c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4476",
    "kind": "arxiv",
    "version": 2
  }
}