Pith Number

pith:BJJVCKKB

pith:2017:BJJVCKKBAXAMBF6KNC2VD5H2VC

not attested not anchored not stored refs pending

On piecewise expanding maps

Peyman Eslami

arxiv:1711.09245 v5 · 2017-11-25 · 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{BJJVCKKBAXAMBF6KNC2VD5H2VC}

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	2026-05-17T23:49:44.195089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a5351294105c0c097ca68b551f4faa8a663c0092a91e1f255db5c77e2ad5239

Aliases

arxiv: 1711.09245 · arxiv_version: 1711.09245v5 · doi: 10.48550/arxiv.1711.09245 · pith_short_12: BJJVCKKBAXAM · pith_short_16: BJJVCKKBAXAMBF6K · pith_short_8: BJJVCKKB

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/BJJVCKKBAXAMBF6KNC2VD5H2VC \
  | 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: 0a5351294105c0c097ca68b551f4faa8a663c0092a91e1f255db5c77e2ad5239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aaeb28476cdf53f787769e94db1ce6e51f4b705b1bd545e4514e153dbbddab5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-11-25T15:03:21Z",
    "title_canon_sha256": "9dc68ab7362a3f426b884b2df86cb6ab5e35477a72cc766c986a14206dfa9c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09245",
    "kind": "arxiv",
    "version": 5
  }
}