Pith Number

pith:SSE2VKK3

pith:2009:SSE2VKK3NAE7QY5FAX2WZFUR3H

not attested not anchored not stored refs pending

Invisible Parts of Attractors

Andrei Negut, Yulij Ilyashenko

arxiv:0901.0316 v1 · 2009-01-03 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSE2VKK3NAE7QY5FAX2WZFUR3H}

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	2026-05-18T02:15:03.468554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9489aaa95b6809f863a505f56c9691d9ef1e650f50e430bf6fe27ae1ded85554

Aliases

arxiv: 0901.0316 · arxiv_version: 0901.0316v1 · doi: 10.48550/arxiv.0901.0316 · pith_short_12: SSE2VKK3NAE7 · pith_short_16: SSE2VKK3NAE7QY5F · pith_short_8: SSE2VKK3

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/SSE2VKK3NAE7QY5FAX2WZFUR3H \
  | 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: 9489aaa95b6809f863a505f56c9691d9ef1e650f50e430bf6fe27ae1ded85554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e351447f46fd8190090755ab36f3f9a6d0af1e69893e17527843ef3bc51ebb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-01-03T11:28:43Z",
    "title_canon_sha256": "3cccb9b00f64ca1382303bfcb29df1d13ae76b45c61904137610ac98640b659d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0316",
    "kind": "arxiv",
    "version": 1
  }
}