Pith Number

pith:JAHU5BPK

pith:2019:JAHU5BPKHMIJMOZJFPGCFPHD7H

not attested not anchored not stored refs pending

Characteristic measures of symbolic dynamical systems

Joshua Frisch, Omer Tamuz

arxiv:1908.02930 v3 · 2019-08-08 · 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{JAHU5BPKHMIJMOZJFPGCFPHD7H}

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	2026-07-05T02:53:50.215064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

480f4e85ea3b10963b292bcc22bce3f9e2e892d0c76635180088958b10e8f714

Aliases

arxiv: 1908.02930 · arxiv_version: 1908.02930v3 · doi: 10.48550/arxiv.1908.02930 · pith_short_12: JAHU5BPKHMIJ · pith_short_16: JAHU5BPKHMIJMOZJ · pith_short_8: JAHU5BPK

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/JAHU5BPKHMIJMOZJFPGCFPHD7H \
  | 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: 480f4e85ea3b10963b292bcc22bce3f9e2e892d0c76635180088958b10e8f714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56510ee366c45f5f98ff6ffc81c0f9fce97c7bab28af0aab3cf79857573e8721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-08-08T04:51:52Z",
    "title_canon_sha256": "b6f9a8462e78a838942951d428d7cfa1d79e2ed5105ea56567566b2d9b58292a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02930",
    "kind": "arxiv",
    "version": 3
  }
}