Pith Number

pith:R2DF7AZF

pith:2017:R2DF7AZF3GOIUYZWKR5MN5HI3Q

not attested not anchored not stored refs pending

Coverings for $4$-dimensional almost complex manifolds with non-degenerate torsion

Costantino Medori, Cristina Bozzetti

arxiv:1706.10068 v1 · 2017-06-30 · math.DG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2DF7AZF3GOIUYZWKR5MN5HI3Q}

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	2026-05-18T00:41:11.518154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e865f8325d99c8a6336547ac6f4e8dc03e6c54d6d9626906990d8242b9cb740

Aliases

arxiv: 1706.10068 · arxiv_version: 1706.10068v1 · doi: 10.48550/arxiv.1706.10068 · pith_short_12: R2DF7AZF3GOI · pith_short_16: R2DF7AZF3GOIUYZW · pith_short_8: R2DF7AZF

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/R2DF7AZF3GOIUYZWKR5MN5HI3Q \
  | 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: 8e865f8325d99c8a6336547ac6f4e8dc03e6c54d6d9626906990d8242b9cb740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cc4ede8daed16fa4552c6804b2b99e2aa601aa2aa6ea80c88a56365c9630b62",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-06-30T08:49:47Z",
    "title_canon_sha256": "67b4e8ee0fb7f2b4fa06b94a12522b22d23e6a52f1b104c6c3c63ef632fa86dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10068",
    "kind": "arxiv",
    "version": 1
  }
}