Pith Number

pith:LLAUAJZF

pith:2018:LLAUAJZFZLDYIYM4DHJJ4OCF3M

not attested not anchored not stored refs pending

Almost para-Hermitian and almost paracontact metric structures induced by natural Riemann extensions

Cornelia-Livia Bejan, Galia Nakova

arxiv:1803.09213 v1 · 2018-03-25 · 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{LLAUAJZFZLDYIYM4DHJJ4OCF3M}

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	2026-05-18T00:20:12.248840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ac1402725cac784619c19d29e3845db0f6d0a1954e148b980f1afef7446b6d8

Aliases

arxiv: 1803.09213 · arxiv_version: 1803.09213v1 · doi: 10.48550/arxiv.1803.09213 · pith_short_12: LLAUAJZFZLDY · pith_short_16: LLAUAJZFZLDYIYM4 · pith_short_8: LLAUAJZF

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/LLAUAJZFZLDYIYM4DHJJ4OCF3M \
  | 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: 5ac1402725cac784619c19d29e3845db0f6d0a1954e148b980f1afef7446b6d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f259624ab00b902ad37447b7deb12e4766d599078afa4025b2153bd6a83043",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-03-25T08:29:57Z",
    "title_canon_sha256": "c643d63eb37e1d1941d196f63e8e39533c0c5a29bc09f1ffa8c0ac87752881e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09213",
    "kind": "arxiv",
    "version": 1
  }
}