Pith Number

pith:FEGJ52H2

pith:2013:FEGJ52H2ZYBPDTWRVIG6D74IMX

not attested not anchored not stored refs pending

Fibonacci-like unimodal inverse limit spaces and the core Ingram conjecture

Henk Bruin, Sonja Stimac

arxiv:1305.4621 v1 · 2013-05-20 · 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{FEGJ52H2ZYBPDTWRVIG6D74IMX}

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	2026-05-18T03:25:16.554138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290c9ee8face02f1ced1aa0de1ff8865fe38d921097b02aec2d5626391a00682

Aliases

arxiv: 1305.4621 · arxiv_version: 1305.4621v1 · doi: 10.48550/arxiv.1305.4621 · pith_short_12: FEGJ52H2ZYBP · pith_short_16: FEGJ52H2ZYBPDTWR · pith_short_8: FEGJ52H2

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/FEGJ52H2ZYBPDTWRVIG6D74IMX \
  | 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: 290c9ee8face02f1ced1aa0de1ff8865fe38d921097b02aec2d5626391a00682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a1427ec3fe28827615513a094ca0311e511f43ec3e140b7a98e9a8511066961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-05-20T19:53:29Z",
    "title_canon_sha256": "3604430e29739e3af7fe66012a08cf79d4a4969fb9ee9ede065366cc34e97bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4621",
    "kind": "arxiv",
    "version": 1
  }
}