Pith Number

pith:ZU5YAU32

pith:2017:ZU5YAU32PP4Z6FFQD3F22DNKDQ

not attested not anchored not stored refs pending

Matching in a family of piecewise affine maps

Alessandro Profeti, Carlo Carminati, Henk Bruin, Stefano Marmi

arxiv:1707.07488 v1 · 2017-07-24 · 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{ZU5YAU32PP4Z6FFQD3F22DNKDQ}

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	2026-05-18T00:39:42.074107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3b80537a7bf99f14b01ecbad0daa1c3dabc7530720bf2050c61ff9fc2eb868

Aliases

arxiv: 1707.07488 · arxiv_version: 1707.07488v1 · doi: 10.48550/arxiv.1707.07488 · pith_short_12: ZU5YAU32PP4Z · pith_short_16: ZU5YAU32PP4Z6FFQ · pith_short_8: ZU5YAU32

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/ZU5YAU32PP4Z6FFQD3F22DNKDQ \
  | 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: cd3b80537a7bf99f14b01ecbad0daa1c3dabc7530720bf2050c61ff9fc2eb868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2297db66d64908dff71ed0aa24b3494bc6b8982eefb7e8ac06247db49be37a18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-07-24T11:14:29Z",
    "title_canon_sha256": "ed46c02ee48cecbc412950882d447004cd2f129b68362e2f9dffc97a9915c3cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07488",
    "kind": "arxiv",
    "version": 1
  }
}