Pith Number

pith:GSR7EJ4V

pith:2023:GSR7EJ4VYEZ4V3KCJ5RRTZOLFB

not attested not anchored not stored refs pending

Who invented von Koch's Snowflake Curve?

Modal'x), Yann Demichel (UPN SEGMI

arxiv:2308.15093 v1 · 2023-08-29 · 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{GSR7EJ4VYEZ4V3KCJ5RRTZOLFB}

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	2026-07-05T06:45:43.332510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34a3f22795c133caed424f6319e5cb286a2f7a6bb28fa6374ab01dac6fd2e7e3

Aliases

arxiv: 2308.15093 · arxiv_version: 2308.15093v1 · doi: 10.48550/arxiv.2308.15093 · pith_short_12: GSR7EJ4VYEZ4 · pith_short_16: GSR7EJ4VYEZ4V3KC · pith_short_8: GSR7EJ4V

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/GSR7EJ4VYEZ4V3KCJ5RRTZOLFB \
  | 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: 34a3f22795c133caed424f6319e5cb286a2f7a6bb28fa6374ab01dac6fd2e7e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80f498effb2e565bef2254fb7bc59f2c22f2e658c5c0006e8548b84a2720c7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2023-08-29T07:58:46Z",
    "title_canon_sha256": "0b349f35331160ce3f2aa91a7961feb0a775dc92823763f3fdb625b21f2f9f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.15093",
    "kind": "arxiv",
    "version": 1
  }
}