Pith Number

pith:IY3FF2JQ

pith:2011:IY3FF2JQ73FR2FOMKPEDFONEJU

not attested not anchored not stored refs pending

Curvature properties of pseudo-sphere bundles over paraquaternionic manifolds

Gabriel Eduard Vilcu, Rodica Cristina Voicu

arxiv:1107.5260 v2 · 2011-07-26 · 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{IY3FF2JQ73FR2FOMKPEDFONEJU}

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	2026-05-18T03:57:25.021965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

463652e930fecb1d15cc53c832b9a44d1fcae4d989d301fb114519a1a3915996

Aliases

arxiv: 1107.5260 · arxiv_version: 1107.5260v2 · doi: 10.48550/arxiv.1107.5260 · pith_short_12: IY3FF2JQ73FR · pith_short_16: IY3FF2JQ73FR2FOM · pith_short_8: IY3FF2JQ

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/IY3FF2JQ73FR2FOMKPEDFONEJU \
  | 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: 463652e930fecb1d15cc53c832b9a44d1fcae4d989d301fb114519a1a3915996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ee4e78ee5c0f81e01014cd0a0012790b3677fc765a6b2d6f7f06f19211370da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-07-26T16:25:15Z",
    "title_canon_sha256": "7433279e2541eeb4d5858330eb17cdcebecd2a3a1180e32b58d2e09af62d1ebe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5260",
    "kind": "arxiv",
    "version": 2
  }
}