Pith Number

pith:XR6WNA5W

pith:2011:XR6WNA5WQV5JN7RFSFI6LPVH6S

not attested not anchored not stored refs pending

Curvature properties on some classes of almost contact manifolds with B-metric

Mancho Manev

arxiv:1110.0444 v1 · 2011-10-03 · 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{XR6WNA5WQV5JN7RFSFI6LPVH6S}

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	2026-05-18T03:59:25.200007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc7d6683b6857a96fe259151e5bea7f4956ac39917723eb21c43644eb9d00e6f

Aliases

arxiv: 1110.0444 · arxiv_version: 1110.0444v1 · doi: 10.48550/arxiv.1110.0444 · pith_short_12: XR6WNA5WQV5J · pith_short_16: XR6WNA5WQV5JN7RF · pith_short_8: XR6WNA5W

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/XR6WNA5WQV5JN7RFSFI6LPVH6S \
  | 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: bc7d6683b6857a96fe259151e5bea7f4956ac39917723eb21c43644eb9d00e6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9fc38a33f5edb3184fe82adca46518dbe9e061196a8a84d525afb962b3743cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-03T19:15:43Z",
    "title_canon_sha256": "45b813dd7e7bd02905e1f896bcfd05b6efc738866da0b7d8d3812e2e25362de0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0444",
    "kind": "arxiv",
    "version": 1
  }
}