Pith Number

pith:YUAD42NO

pith:2011:YUAD42NOBI4OENFAWHBGVGSCGW

not attested not anchored not stored refs pending

Properties of isometrically homogeneous curves

Enrico Le Donne

arxiv:1108.5830 v2 · 2011-08-30 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YUAD42NOBI4OENFAWHBGVGSCGW}

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	2026-05-18T04:14:07.367885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5003e69ae0a38e234a0b1c26a9a42358fbd541ba7b5fbd32bcc67d618166ace

Aliases

arxiv: 1108.5830 · arxiv_version: 1108.5830v2 · doi: 10.48550/arxiv.1108.5830 · pith_short_12: YUAD42NOBI4O · pith_short_16: YUAD42NOBI4OENFA · pith_short_8: YUAD42NO

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/YUAD42NOBI4OENFAWHBGVGSCGW \
  | 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: c5003e69ae0a38e234a0b1c26a9a42358fbd541ba7b5fbd32bcc67d618166ace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8db2767121a91ef561668541d5c285b7b1d6a1ac42c4ac4d5792e2ec33b5a67b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-08-30T05:30:32Z",
    "title_canon_sha256": "c22a7a5249f382b0b9a878dadf1e1283b0a56772ffe734b29489ee346ddb0b3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5830",
    "kind": "arxiv",
    "version": 2
  }
}