Pith Number

pith:LXZ754QP

pith:2014:LXZ754QPQTM4U2DYUCB72BCNPU

not attested not anchored not stored refs pending

Peano on definition of surface area

Enrico M. Pagani, Gabriele H. Greco, Sonia Mazzucchi

arxiv:1412.2691 v1 · 2014-12-08 · math.HO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXZ754QPQTM4U2DYUCB72BCNPU}

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	2026-05-18T02:31:48.956031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5df3fef20f84d9ca6878a083fd044d7d069b69cef5b521d7264ae4be12f67221

Aliases

arxiv: 1412.2691 · arxiv_version: 1412.2691v1 · doi: 10.48550/arxiv.1412.2691 · pith_short_12: LXZ754QPQTM4 · pith_short_16: LXZ754QPQTM4U2DY · pith_short_8: LXZ754QP

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/LXZ754QPQTM4U2DYUCB72BCNPU \
  | 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: 5df3fef20f84d9ca6878a083fd044d7d069b69cef5b521d7264ae4be12f67221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99776787ca58aa44a75bece5940c13f3a681e8391a419b74c17fed464529e69a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2014-12-08T18:42:44Z",
    "title_canon_sha256": "47b6d92ba2bdc28298a3c86766b9889a8aecdc12f051b56bce703dd3218628d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2691",
    "kind": "arxiv",
    "version": 1
  }
}