Pith Number

pith:AEFIKLD6

pith:2013:AEFIKLD6GSVYDNTO2HYIPQGPS3

not attested not anchored not stored refs pending

Normality of the twistor space of a $5$-manifold with a $SO(3)$-structure

Johann Davidov

arxiv:1305.4882 v2 · 2013-05-21 · 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{AEFIKLD6GSVYDNTO2HYIPQGPS3}

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	2026-05-18T02:43:54.347616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

010a852c7e34ab81b66ed1f087c0cf96c0808d98cc2c786ba450c90351242047

Aliases

arxiv: 1305.4882 · arxiv_version: 1305.4882v2 · doi: 10.48550/arxiv.1305.4882 · pith_short_12: AEFIKLD6GSVY · pith_short_16: AEFIKLD6GSVYDNTO · pith_short_8: AEFIKLD6

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/AEFIKLD6GSVYDNTO2HYIPQGPS3 \
  | 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: 010a852c7e34ab81b66ed1f087c0cf96c0808d98cc2c786ba450c90351242047

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de1510ac204af1dbe4638e703d7b57dbd48ac5de9e22384e4e28b97715ee6101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-05-21T16:59:37Z",
    "title_canon_sha256": "e6612689181253b937cd8312dfeed130286c1eda34f0cfc3cba51e5b4e47bc8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4882",
    "kind": "arxiv",
    "version": 2
  }
}