Pith Number

pith:MZI24F2W

pith:2013:MZI24F2WAAKEG4C6FNQJI3VS2N

not attested not anchored not stored refs pending

On the canonical connection for smooth envelopes

Giovanni Moreno

arxiv:1301.2990 v2 · 2013-01-14 · 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{MZI24F2WAAKEG4C6FNQJI3VS2N}

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	2026-05-18T03:30:27.547797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6651ae1756001443705e2b60946eb2d3429661a54fcedb0b1a8501d80268d285

Aliases

arxiv: 1301.2990 · arxiv_version: 1301.2990v2 · doi: 10.48550/arxiv.1301.2990 · pith_short_12: MZI24F2WAAKE · pith_short_16: MZI24F2WAAKEG4C6 · pith_short_8: MZI24F2W

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/MZI24F2WAAKEG4C6FNQJI3VS2N \
  | 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: 6651ae1756001443705e2b60946eb2d3429661a54fcedb0b1a8501d80268d285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0215b29c6777b8b2e795b24209d60d5f41420e4f5b1170aaef4cb6c77854c161",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-14T14:43:12Z",
    "title_canon_sha256": "5b627e5bd1edb53a9c3ea57fffe73d1950b5b10e2a9690e99721d62adf9ead48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2990",
    "kind": "arxiv",
    "version": 2
  }
}