Pith Number

pith:33YIASD3

pith:2001:33YIASD3L33MOM7IBRTZ3ONFKV

not attested not anchored not stored refs pending

Killing spinor equations in dimension 7 and geometry of integrable G_2-manifolds

Stefan Ivanov (Sofia), Thomas Friedrich (Berlin)

arxiv:math/0112201 v1 · 2001-12-19 · math.DG · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33YIASD3L33MOM7IBRTZ3ONFKV}

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.

Cited by

1 paper in Pith

On the rigidity of special and exceptional geometries with torsion a closed $3$-form

Receipt and verification

First computed	2026-05-18T01:38:29.752776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

def080487b5ef6c733e80c679db9a5554c84dbb042a07ac8fc6805b6cad75bff

Aliases

arxiv: math/0112201 · arxiv_version: math/0112201v1 · doi: 10.48550/arxiv.math/0112201 · pith_short_12: 33YIASD3L33M · pith_short_16: 33YIASD3L33MOM7I · pith_short_8: 33YIASD3

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/33YIASD3L33MOM7IBRTZ3ONFKV \
  | 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: def080487b5ef6c733e80c679db9a5554c84dbb042a07ac8fc6805b6cad75bff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c08d90ae9add25ac798cfbca219a66b55dad9d75020678c3f32a50eb123cc4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2001-12-19T11:06:34Z",
    "title_canon_sha256": "53df281a2086cde76621cba4374e9773e371742ba0c0afe41afcb5fa43d7b8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0112201",
    "kind": "arxiv",
    "version": 1
  }
}