Pith Number

pith:72DQENH7

pith:2013:72DQENH7ZI2HBIUA2J432S2VI2

not attested not anchored not stored refs pending

Explicit absolute parallelism for $2$-nondegenerate real hypersurfaces $M^5 \subset \mathbb{C}^3$ of constant Levi rank $1$

Samuel Pocchiola

arxiv:1312.6400 v2 · 2013-12-22 · math.CV

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72DQENH7ZI2HBIUA2J432S2VI2}

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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 Differential Invariants of Parabolic Surfaces

Receipt and verification

First computed	2026-05-18T02:52:41.645137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe870234ffca3470a280d279bd4b5546b72022735e2deaec59f1cfa03ab31ea9

Aliases

arxiv: 1312.6400 · arxiv_version: 1312.6400v2 · doi: 10.48550/arxiv.1312.6400 · pith_short_12: 72DQENH7ZI2H · pith_short_16: 72DQENH7ZI2HBIUA · pith_short_8: 72DQENH7

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/72DQENH7ZI2HBIUA2J432S2VI2 \
  | 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: fe870234ffca3470a280d279bd4b5546b72022735e2deaec59f1cfa03ab31ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f46a0d0c55b711e64f2f23cc3f38d0d72384fa43358c62d86f6292e630d5ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-12-22T16:16:02Z",
    "title_canon_sha256": "d9a631c53ddfe5dd4d08ca5590a65c24bd63f911e086e57a9670c57503a7b0f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6400",
    "kind": "arxiv",
    "version": 2
  }
}