Pith Number

pith:JEGLIIE6

pith:2019:JEGLIIE6IXDIGFJ7MUVQ4KPLEI

not attested not anchored not stored refs pending

Self-similar shapes under Errera division rule on the cone

Etienne Couturier

arxiv:1901.03135 v1 · 2019-01-10 · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEGLIIE6IXDIGFJ7MUVQ4KPLEI}

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	2026-05-17T23:56:35.466541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

490cb4209e45c683153f652b0e29eb221bb4752842a32ed2da3206c9aadb7157

Aliases

arxiv: 1901.03135 · arxiv_version: 1901.03135v1 · doi: 10.48550/arxiv.1901.03135 · pith_short_12: JEGLIIE6IXDI · pith_short_16: JEGLIIE6IXDIGFJ7 · pith_short_8: JEGLIIE6

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/JEGLIIE6IXDIGFJ7MUVQ4KPLEI \
  | 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: 490cb4209e45c683153f652b0e29eb221bb4752842a32ed2da3206c9aadb7157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1724d2792ab768b59ab68388043e49753cb0e11a2bf4294ca8015e46cdf9d63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2019-01-10T13:02:04Z",
    "title_canon_sha256": "3253a1cbf8f5779fae36f4ecc95e36bef31ff737d2ce51dbecbb7624590ee0cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03135",
    "kind": "arxiv",
    "version": 1
  }
}