Pith Number

pith:7YROWNG7

pith:2015:7YROWNG77DXM5C3TMSG6R7LX5Z

not attested not anchored not stored refs pending

Defining Chaos

Brian R. Hunt, Edward Ott

arxiv:1501.07896 v3 · 2015-01-30 · nlin.CD · 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{7YROWNG77DXM5C3TMSG6R7LX5Z}

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	2026-05-18T02:17:42.528808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe22eb34dff8eece8b73648de8fd77ee684916961fcb064e3c284ce12cd6304f

Aliases

arxiv: 1501.07896 · arxiv_version: 1501.07896v3 · doi: 10.48550/arxiv.1501.07896 · pith_short_12: 7YROWNG77DXM · pith_short_16: 7YROWNG77DXM5C3T · pith_short_8: 7YROWNG7

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/7YROWNG77DXM5C3TMSG6R7LX5Z \
  | 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: fe22eb34dff8eece8b73648de8fd77ee684916961fcb064e3c284ce12cd6304f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "846102fe539b578777ed8738663b7ba7808d1fe08de9f50d0f3e8b6e6fbfcb0c",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2015-01-30T20:09:24Z",
    "title_canon_sha256": "e2a3abfb44116755d06821a116a76eb8dab138e0b67935b2206dc6ef9f309036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07896",
    "kind": "arxiv",
    "version": 3
  }
}