Pith Number

pith:GUR2XKI5

pith:2012:GUR2XKI57POOBN6SRWSYZD2OEH

not attested not anchored not stored refs pending

Almost contact B-metric manifolds with curvature tensors of K\"ahler type

Mancho Manev, Miroslava Ivanova

arxiv:1203.3290 v1 · 2012-03-15 · 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{GUR2XKI57POOBN6SRWSYZD2OEH}

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	2026-05-18T02:17:01.735892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3523aba91dfbdce0b7d28da58c8f4e21fe669f7e62c32d788d9006dff5c822a9

Aliases

arxiv: 1203.3290 · arxiv_version: 1203.3290v1 · doi: 10.48550/arxiv.1203.3290 · pith_short_12: GUR2XKI57POO · pith_short_16: GUR2XKI57POOBN6S · pith_short_8: GUR2XKI5

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/GUR2XKI57POOBN6SRWSYZD2OEH \
  | 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: 3523aba91dfbdce0b7d28da58c8f4e21fe669f7e62c32d788d9006dff5c822a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae76f67c491bbc264b8067b9c2606ba88ab9dfa98daa8670653dea6c282645a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-03-15T09:04:26Z",
    "title_canon_sha256": "7c61fa79d4798956b7d5ce9d95d4bd4fdf38f5a386885b95b44645c7468f0408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3290",
    "kind": "arxiv",
    "version": 1
  }
}