Pith Number

pith:2246WXR5

pith:2014:2246WXR52A26ZNIFOF5S77DVTT

not attested not anchored not stored refs pending

Halving dynamical systems

Shaun Stevens, Stefanie Zegowitz, Tom Ward

arxiv:1407.7787 v1 · 2014-07-29 · 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{2246WXR52A26ZNIFOF5S77DVTT}

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	2026-05-18T01:01:16.242752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b9eb5e3dd035ecb505717b2ffc759ceb5de99f28b1ad91f485aaad500c32f3

Aliases

arxiv: 1407.7787 · arxiv_version: 1407.7787v1 · doi: 10.48550/arxiv.1407.7787 · pith_short_12: 2246WXR52A26 · pith_short_16: 2246WXR52A26ZNIF · pith_short_8: 2246WXR5

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/2246WXR52A26ZNIFOF5S77DVTT \
  | 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: d6b9eb5e3dd035ecb505717b2ffc759ceb5de99f28b1ad91f485aaad500c32f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7197384319b5f033f66ca38ae5d66964b12c617acb3a64da155493923aff9a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-29T17:31:15Z",
    "title_canon_sha256": "c0d5f1caec600e4cbb3054c76c5c654ed07b40fcd4b5f80dc4db9cc8f0041e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7787",
    "kind": "arxiv",
    "version": 1
  }
}