Pith Number

pith:7NY66TCU

pith:2012:7NY66TCU5CLSCQX37YAA63BURE

not attested not anchored not stored refs pending

Orbit equivalent substitution dynamical systems and complexity

O. Karpel, S. Bezuglyi

arxiv:1201.1622 v1 · 2012-01-08 · 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{7NY66TCU5CLSCQX37YAA63BURE}

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	2026-05-18T04:05:02.936789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb71ef4c54e8972142fbfe000f6c3489024fa19069e53a6fc26484d5503b90b1

Aliases

arxiv: 1201.1622 · arxiv_version: 1201.1622v1 · doi: 10.48550/arxiv.1201.1622 · pith_short_12: 7NY66TCU5CLS · pith_short_16: 7NY66TCU5CLSCQX3 · pith_short_8: 7NY66TCU

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/7NY66TCU5CLSCQX37YAA63BURE \
  | 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: fb71ef4c54e8972142fbfe000f6c3489024fa19069e53a6fc26484d5503b90b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f71a74683384e24c1f304b4d671f6651d3086eca27dde12f14042aa8f52c9125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-01-08T10:50:43Z",
    "title_canon_sha256": "b8bb0cc9eab2b88bc7a29ef740929caa184f7e34a6a6870d1d35c37b9c7ff80f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1622",
    "kind": "arxiv",
    "version": 1
  }
}