Pith Number

pith:ENZRK4ON

pith:2013:ENZRK4ON4SSFS5WBD2EBAJ6QMG

not attested not anchored not stored refs pending

First hyperbolic times for intermittent maps with unbounded derivative

Chris Bose, Rua Murray

arxiv:1307.7407 v1 · 2013-07-28 · 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{ENZRK4ON4SSFS5WBD2EBAJ6QMG}

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	2026-05-18T03:17:23.361566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23731571cde4a45976c11e881027d0619d164dc2585065ea051b453c16a4774b

Aliases

arxiv: 1307.7407 · arxiv_version: 1307.7407v1 · doi: 10.48550/arxiv.1307.7407 · pith_short_12: ENZRK4ON4SSF · pith_short_16: ENZRK4ON4SSFS5WB · pith_short_8: ENZRK4ON

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/ENZRK4ON4SSFS5WBD2EBAJ6QMG \
  | 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: 23731571cde4a45976c11e881027d0619d164dc2585065ea051b453c16a4774b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8d15d5b8e23e226bc9fef2aa5f51939849140edb800f8e37e328bb8438f5149",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-07-28T21:32:59Z",
    "title_canon_sha256": "b1c7b401ad1a9e1bc7aa654c7b0cdd936ad2101e3c9b41b588559c9339f861e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7407",
    "kind": "arxiv",
    "version": 1
  }
}