Pith Number

pith:IROS47TA

pith:2010:IROS47TAF2PYXYGO7U653KMNSN

not attested not anchored not stored refs pending

Furstenberg sets for a fractal set of directions

Ezequiel Rela, Ursula Molter

arxiv:1009.0481 v1 · 2010-09-02 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IROS47TAF2PYXYGO7U653KMNSN}

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	2026-05-18T04:41:26.542836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

445d2e7e602e9f8be0cefd3ddda98d936febf9cd1931f95126c3df63212c2cc0

Aliases

arxiv: 1009.0481 · arxiv_version: 1009.0481v1 · doi: 10.48550/arxiv.1009.0481 · pith_short_12: IROS47TAF2PY · pith_short_16: IROS47TAF2PYXYGO · pith_short_8: IROS47TA

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/IROS47TAF2PYXYGO7U653KMNSN \
  | 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: 445d2e7e602e9f8be0cefd3ddda98d936febf9cd1931f95126c3df63212c2cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ed92a010661aea56df7649f333cee56863ce2c98b2d1c94703ccb0cd60d9c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-09-02T17:23:23Z",
    "title_canon_sha256": "b3828bc1b5932caf3ce7a35a89739274804533f8d66f568bd77cd6df41148ff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0481",
    "kind": "arxiv",
    "version": 1
  }
}